90196405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 119952000

約数和(自身を除く): 29755595

約数列:

[1, 5, 13, 65, 67, 139, 149, 335, 695, 745, 871, 1807, 1937, 4355, 9035, 9313, 9685, 9983, 20711, 46565, 49915, 103555, 121069, 129779, 269243, 605345, 648895, 1346215, 1387637, 6938185, 18039281, 90196405]

約数ペア:

[(1, 90196405), (5, 18039281), (13, 6938185), (65, 1387637), (67, 1346215), (139, 648895), (149, 605345), (335, 269243), (695, 129779), (745, 121069), (871, 103555), (1807, 49915), (1937, 46565), (4355, 20711), (9035, 9983), (9313, 9685)]