83874175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 138928608

約数和(自身を除く): 55054433

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 121, 175, 187, 233, 275, 385, 425, 595, 605, 847, 935, 1165, 1309, 1631, 1925, 2057, 2563, 2975, 3025, 3961, 4235, 4675, 5825, 6545, 8155, 10285, 12815, 14399, 17941, 19805, 21175, 27727, 28193, 32725, 40775, 43571, 51425, 64075, 71995, 89705, 99025, 138635, 140965, 197351, 217855, 304997, 359975, 448525, 479281, 693175, 704825, 986755, 1089275, 1524985, 2396405, 3354967, 4933775, 7624925, 11982025, 16774835, 83874175]

約数ペア:

[(1, 83874175), (5, 16774835), (7, 11982025), (11, 7624925), (17, 4933775), (25, 3354967), (35, 2396405), (55, 1524985), (77, 1089275), (85, 986755), (119, 704825), (121, 693175), (175, 479281), (187, 448525), (233, 359975), (275, 304997), (385, 217855), (425, 197351), (595, 140965), (605, 138635), (847, 99025), (935, 89705), (1165, 71995), (1309, 64075), (1631, 51425), (1925, 43571), (2057, 40775), (2563, 32725), (2975, 28193), (3025, 27727), (3961, 21175), (4235, 19805), (4675, 17941), (5825, 14399), (6545, 12815), (8155, 10285)]