251518128

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:283

約数の個数: 160

約数和(自身を含む): 726239232

約数和(自身を除く): 474721104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 61, 62, 68, 93, 102, 122, 124, 136, 163, 183, 186, 204, 244, 248, 272, 326, 366, 372, 408, 488, 489, 496, 527, 652, 732, 744, 816, 976, 978, 1037, 1054, 1304, 1464, 1488, 1581, 1891, 1956, 2074, 2108, 2608, 2771, 2928, 3111, 3162, 3782, 3912, 4148, 4216, 5053, 5542, 5673, 6222, 6324, 7564, 7824, 8296, 8313, 8432, 9943, 10106, 11084, 11346, 12444, 12648, 15128, 15159, 16592, 16626, 19886, 20212, 22168, 22692, 24888, 25296, 29829, 30256, 30318, 32147, 33252, 39772, 40424, 44336, 45384, 49776, 59658, 60636, 64294, 66504, 79544, 80848, 85901, 90768, 96441, 119316, 121272, 128588, 133008, 159088, 169031, 171802, 192882, 238632, 242544, 257176, 257703, 308233, 338062, 343604, 385764, 477264, 507093, 514352, 515406, 616466, 676124, 687208, 771528, 924699, 1014186, 1030812, 1232932, 1352248, 1374416, 1543056, 1849398, 2028372, 2061624, 2465864, 2704496, 3698796, 4056744, 4123248, 4931728, 5239961, 7397592, 8113488, 10479922, 14795184, 15719883, 20959844, 31439766, 41919688, 62879532, 83839376, 125759064, 251518128]

約数ペア:

[(1, 251518128), (2, 125759064), (3, 83839376), (4, 62879532), (6, 41919688), (8, 31439766), (12, 20959844), (16, 15719883), (17, 14795184), (24, 10479922), (31, 8113488), (34, 7397592), (48, 5239961), (51, 4931728), (61, 4123248), (62, 4056744), (68, 3698796), (93, 2704496), (102, 2465864), (122, 2061624), (124, 2028372), (136, 1849398), (163, 1543056), (183, 1374416), (186, 1352248), (204, 1232932), (244, 1030812), (248, 1014186), (272, 924699), (326, 771528), (366, 687208), (372, 676124), (408, 616466), (488, 515406), (489, 514352), (496, 507093), (527, 477264), (652, 385764), (732, 343604), (744, 338062), (816, 308233), (976, 257703), (978, 257176), (1037, 242544), (1054, 238632), (1304, 192882), (1464, 171802), (1488, 169031), (1581, 159088), (1891, 133008), (1956, 128588), (2074, 121272), (2108, 119316), (2608, 96441), (2771, 90768), (2928, 85901), (3111, 80848), (3162, 79544), (3782, 66504), (3912, 64294), (4148, 60636), (4216, 59658), (5053, 49776), (5542, 45384), (5673, 44336), (6222, 40424), (6324, 39772), (7564, 33252), (7824, 32147), (8296, 30318), (8313, 30256), (8432, 29829), (9943, 25296), (10106, 24888), (11084, 22692), (11346, 22168), (12444, 20212), (12648, 19886), (15128, 16626), (15159, 16592)]