128557910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{58171}}^1$

素因数の和:58208

約数の個数: 32

約数和(自身を含む): 263868192

約数和(自身を除く): 135310282

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 58171, 116342, 290855, 581710, 756223, 988907, 1512446, 1977814, 3781115, 4944535, 7562230, 9889070, 12855791, 25711582, 64278955, 128557910]

約数ペア:

[(1, 128557910), (2, 64278955), (5, 25711582), (10, 12855791), (13, 9889070), (17, 7562230), (26, 4944535), (34, 3781115), (65, 1977814), (85, 1512446), (130, 988907), (170, 756223), (221, 581710), (442, 290855), (1105, 116342), (2210, 58171)]