221406724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 502951680

約数和(自身を除く): 281544956

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 89, 154, 164, 178, 197, 287, 308, 356, 394, 451, 574, 623, 788, 902, 979, 1148, 1246, 1379, 1804, 1958, 2167, 2492, 2758, 3157, 3649, 3916, 4334, 5516, 6314, 6853, 7298, 8077, 8668, 12628, 13706, 14596, 15169, 16154, 17533, 25543, 27412, 30338, 32308, 35066, 40139, 51086, 56539, 60676, 70132, 80278, 88847, 102172, 113078, 122731, 160556, 177694, 192863, 226156, 245462, 280973, 355388, 385726, 490924, 561946, 621929, 718853, 771452, 1123892, 1243858, 1350041, 1437706, 2487716, 2700082, 2875412, 5031971, 5400164, 7907383, 10063942, 15814766, 20127884, 31629532, 55351681, 110703362, 221406724]

約数ペア:

[(1, 221406724), (2, 110703362), (4, 55351681), (7, 31629532), (11, 20127884), (14, 15814766), (22, 10063942), (28, 7907383), (41, 5400164), (44, 5031971), (77, 2875412), (82, 2700082), (89, 2487716), (154, 1437706), (164, 1350041), (178, 1243858), (197, 1123892), (287, 771452), (308, 718853), (356, 621929), (394, 561946), (451, 490924), (574, 385726), (623, 355388), (788, 280973), (902, 245462), (979, 226156), (1148, 192863), (1246, 177694), (1379, 160556), (1804, 122731), (1958, 113078), (2167, 102172), (2492, 88847), (2758, 80278), (3157, 70132), (3649, 60676), (3916, 56539), (4334, 51086), (5516, 40139), (6314, 35066), (6853, 32308), (7298, 30338), (8077, 27412), (8668, 25543), (12628, 17533), (13706, 16154), (14596, 15169)]