128565730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{4817}}^1$

素因数の和:4998

約数の個数: 32

約数和(自身を含む): 246643056

約数和(自身を除く): 118077326

約数列:

[1, 2, 5, 10, 17, 34, 85, 157, 170, 314, 785, 1570, 2669, 4817, 5338, 9634, 13345, 24085, 26690, 48170, 81889, 163778, 409445, 756269, 818890, 1512538, 3781345, 7562690, 12856573, 25713146, 64282865, 128565730]

約数ペア:

[(1, 128565730), (2, 64282865), (5, 25713146), (10, 12856573), (17, 7562690), (34, 3781345), (85, 1512538), (157, 818890), (170, 756269), (314, 409445), (785, 163778), (1570, 81889), (2669, 48170), (4817, 26690), (5338, 24085), (9634, 13345)]