87640355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1399}}^1$

素因数の和:1499

約数の個数: 32

約数和(自身を含む): 123379200

約数和(自身を除く): 35738845

約数列:

[1, 5, 11, 17, 55, 67, 85, 187, 335, 737, 935, 1139, 1399, 3685, 5695, 6995, 12529, 15389, 23783, 62645, 76945, 93733, 118915, 261613, 468665, 1031063, 1308065, 1593461, 5155315, 7967305, 17528071, 87640355]

約数ペア:

[(1, 87640355), (5, 17528071), (11, 7967305), (17, 5155315), (55, 1593461), (67, 1308065), (85, 1031063), (187, 468665), (335, 261613), (737, 118915), (935, 93733), (1139, 76945), (1399, 62645), (3685, 23783), (5695, 15389), (6995, 12529)]