388655874

素因数分解:

$2^1\times 3^3\times {\mathrm{103}}^1\times {\mathrm{69877}}^1$

素因数の和:69991

約数の個数: 32

約数和(自身を含む): 872077440

約数和(自身を除く): 483421566

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 103, 206, 309, 618, 927, 1854, 2781, 5562, 69877, 139754, 209631, 419262, 628893, 1257786, 1886679, 3773358, 7197331, 14394662, 21591993, 43183986, 64775979, 129551958, 194327937, 388655874]

約数ペア:

[(1, 388655874), (2, 194327937), (3, 129551958), (6, 64775979), (9, 43183986), (18, 21591993), (27, 14394662), (54, 7197331), (103, 3773358), (206, 1886679), (309, 1257786), (618, 628893), (927, 419262), (1854, 209631), (2781, 139754), (5562, 69877)]