257540012

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{6761}}^1$

素因数の和:6961

約数の個数: 24

約数和(自身を含む): 460086480

約数和(自身を除く): 202546468

約数列:

[1, 2, 4, 89, 107, 178, 214, 356, 428, 6761, 9523, 13522, 19046, 27044, 38092, 601729, 723427, 1203458, 1446854, 2406916, 2893708, 64385003, 128770006, 257540012]

約数ペア:

[(1, 257540012), (2, 128770006), (4, 64385003), (89, 2893708), (107, 2406916), (178, 1446854), (214, 1203458), (356, 723427), (428, 601729), (6761, 38092), (9523, 27044), (13522, 19046)]