128840402

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{25037}}^1$

素因数の和:25153

約数の個数: 16

約数和(自身を含む): 201906432

約数和(自身を除く): 73066030

約数列:

[1, 2, 31, 62, 83, 166, 2573, 5146, 25037, 50074, 776147, 1552294, 2078071, 4156142, 64420201, 128840402]

約数ペア:

[(1, 128840402), (2, 64420201), (31, 4156142), (62, 2078071), (83, 1552294), (166, 776147), (2573, 50074), (5146, 25037)]