128567012

素因数分解:

$2^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{20051}}^1$

素因数の和:20291

約数の個数: 24

約数和(自身を含む): 258269760

約数和(自身を除く): 129702748

約数列:

[1, 2, 4, 7, 14, 28, 229, 458, 916, 1603, 3206, 6412, 20051, 40102, 80204, 140357, 280714, 561428, 4591679, 9183358, 18366716, 32141753, 64283506, 128567012]

約数ペア:

[(1, 128567012), (2, 64283506), (4, 32141753), (7, 18366716), (14, 9183358), (28, 4591679), (229, 561428), (458, 280714), (916, 140357), (1603, 80204), (3206, 40102), (6412, 20051)]