42807665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 56246400

約数和(自身を除く): 13438735

約数列:

[1, 5, 19, 61, 83, 89, 95, 305, 415, 445, 1159, 1577, 1691, 5063, 5429, 5795, 7387, 7885, 8455, 25315, 27145, 36935, 96197, 103151, 140353, 450607, 480985, 515755, 701765, 2253035, 8561533, 42807665]

約数ペア:

[(1, 42807665), (5, 8561533), (19, 2253035), (61, 701765), (83, 515755), (89, 480985), (95, 450607), (305, 140353), (415, 103151), (445, 96197), (1159, 36935), (1577, 27145), (1691, 25315), (5063, 8455), (5429, 7885), (5795, 7387)]