258637456

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 160

約数和(自身を含む): 676885248

約数和(自身を除く): 418247792

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 53, 56, 68, 77, 88, 106, 112, 119, 136, 154, 176, 187, 212, 233, 238, 272, 308, 371, 374, 424, 466, 476, 583, 616, 742, 748, 848, 901, 932, 952, 1166, 1232, 1309, 1484, 1496, 1631, 1802, 1864, 1904, 2332, 2563, 2618, 2968, 2992, 3262, 3604, 3728, 3961, 4081, 4664, 5126, 5236, 5936, 6307, 6524, 7208, 7922, 8162, 9328, 9911, 10252, 10472, 12349, 12614, 13048, 14416, 15844, 16324, 17941, 19822, 20504, 20944, 24698, 25228, 26096, 27727, 31688, 32648, 35882, 39644, 41008, 43571, 49396, 50456, 55454, 63376, 65296, 69377, 71764, 79288, 86443, 87142, 98792, 100912, 110908, 135839, 138754, 143528, 158576, 172886, 174284, 197584, 209933, 221816, 271678, 277508, 287056, 304997, 345772, 348568, 419866, 443632, 543356, 555016, 609994, 691544, 697136, 839732, 950873, 1086712, 1110032, 1219988, 1383088, 1469531, 1679464, 1901746, 2173424, 2309263, 2439976, 2939062, 3358928, 3803492, 4618526, 4879952, 5878124, 7606984, 9237052, 11756248, 15213968, 16164841, 18474104, 23512496, 32329682, 36948208, 64659364, 129318728, 258637456]

約数ペア:

[(1, 258637456), (2, 129318728), (4, 64659364), (7, 36948208), (8, 32329682), (11, 23512496), (14, 18474104), (16, 16164841), (17, 15213968), (22, 11756248), (28, 9237052), (34, 7606984), (44, 5878124), (53, 4879952), (56, 4618526), (68, 3803492), (77, 3358928), (88, 2939062), (106, 2439976), (112, 2309263), (119, 2173424), (136, 1901746), (154, 1679464), (176, 1469531), (187, 1383088), (212, 1219988), (233, 1110032), (238, 1086712), (272, 950873), (308, 839732), (371, 697136), (374, 691544), (424, 609994), (466, 555016), (476, 543356), (583, 443632), (616, 419866), (742, 348568), (748, 345772), (848, 304997), (901, 287056), (932, 277508), (952, 271678), (1166, 221816), (1232, 209933), (1309, 197584), (1484, 174284), (1496, 172886), (1631, 158576), (1802, 143528), (1864, 138754), (1904, 135839), (2332, 110908), (2563, 100912), (2618, 98792), (2968, 87142), (2992, 86443), (3262, 79288), (3604, 71764), (3728, 69377), (3961, 65296), (4081, 63376), (4664, 55454), (5126, 50456), (5236, 49396), (5936, 43571), (6307, 41008), (6524, 39644), (7208, 35882), (7922, 32648), (8162, 31688), (9328, 27727), (9911, 26096), (10252, 25228), (10472, 24698), (12349, 20944), (12614, 20504), (13048, 19822), (14416, 17941), (15844, 16324)]