840829828

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 1547647920

約数和(自身を除く): 706818092

約数列:

[1, 2, 4, 29, 58, 116, 137, 157, 274, 314, 337, 548, 628, 674, 1348, 3973, 4553, 7946, 9106, 9773, 15892, 18212, 19546, 21509, 39092, 43018, 46169, 52909, 86036, 92338, 105818, 184676, 211636, 623761, 1247522, 1338901, 1534361, 2495044, 2677802, 3068722, 5355604, 6137444, 7248533, 14497066, 28994132, 210207457, 420414914, 840829828]

約数ペア:

[(1, 840829828), (2, 420414914), (4, 210207457), (29, 28994132), (58, 14497066), (116, 7248533), (137, 6137444), (157, 5355604), (274, 3068722), (314, 2677802), (337, 2495044), (548, 1534361), (628, 1338901), (674, 1247522), (1348, 623761), (3973, 211636), (4553, 184676), (7946, 105818), (9106, 92338), (9773, 86036), (15892, 52909), (18212, 46169), (19546, 43018), (21509, 39092)]