278300581

素因数分解:

${\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 325584000

約数和(自身を除く): 47283419

約数列:

[1, 13, 19, 59, 113, 169, 247, 767, 1121, 1469, 2147, 2197, 3211, 6667, 9971, 14573, 19097, 27911, 41743, 86671, 126673, 129623, 189449, 248261, 362843, 1126723, 1646749, 2462837, 4716959, 14647399, 21407737, 278300581]

約数ペア:

[(1, 278300581), (13, 21407737), (19, 14647399), (59, 4716959), (113, 2462837), (169, 1646749), (247, 1126723), (767, 362843), (1121, 248261), (1469, 189449), (2147, 129623), (2197, 126673), (3211, 86671), (6667, 41743), (9971, 27911), (14573, 19097)]