221465426

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2309}}^1$

素因数の和:2379

約数の個数: 64

約数和(自身を含む): 447068160

約数和(自身を除く): 225602734

約数列:

[1, 2, 7, 13, 14, 17, 26, 31, 34, 62, 91, 119, 182, 217, 221, 238, 403, 434, 442, 527, 806, 1054, 1547, 2309, 2821, 3094, 3689, 4618, 5642, 6851, 7378, 13702, 16163, 30017, 32326, 39253, 47957, 60034, 71579, 78506, 95914, 143158, 210119, 274771, 420238, 501053, 510289, 549542, 930527, 1002106, 1020578, 1216843, 1861054, 2433686, 3572023, 6513689, 7144046, 8517901, 13027378, 15818959, 17035802, 31637918, 110732713, 221465426]

約数ペア:

[(1, 221465426), (2, 110732713), (7, 31637918), (13, 17035802), (14, 15818959), (17, 13027378), (26, 8517901), (31, 7144046), (34, 6513689), (62, 3572023), (91, 2433686), (119, 1861054), (182, 1216843), (217, 1020578), (221, 1002106), (238, 930527), (403, 549542), (434, 510289), (442, 501053), (527, 420238), (806, 274771), (1054, 210119), (1547, 143158), (2309, 95914), (2821, 78506), (3094, 71579), (3689, 60034), (4618, 47957), (5642, 39253), (6851, 32326), (7378, 30017), (13702, 16163)]