687130213

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{1229}}^1$

素因数の和:1437

約数の個数: 32

約数和(自身を含む): 879932160

約数和(自身を除く): 192801947

約数列:

[1, 7, 11, 53, 77, 137, 371, 583, 959, 1229, 1507, 4081, 7261, 8603, 10549, 13519, 50827, 65137, 79871, 94633, 168373, 455959, 559097, 716507, 1178611, 1852103, 5015549, 8923769, 12964721, 62466383, 98161459, 687130213]

約数ペア:

[(1, 687130213), (7, 98161459), (11, 62466383), (53, 12964721), (77, 8923769), (137, 5015549), (371, 1852103), (583, 1178611), (959, 716507), (1229, 559097), (1507, 455959), (4081, 168373), (7261, 94633), (8603, 79871), (10549, 65137), (13519, 50827)]