278328248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{30707}}^1$

素因数の和:30827

約数の個数: 32

約数和(自身を含む): 574853760

約数和(自身を除く): 296525512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2266, 4532, 9064, 30707, 61414, 122828, 245656, 337777, 675554, 1351108, 2702216, 3162821, 6325642, 12651284, 25302568, 34791031, 69582062, 139164124, 278328248]

約数ペア:

[(1, 278328248), (2, 139164124), (4, 69582062), (8, 34791031), (11, 25302568), (22, 12651284), (44, 6325642), (88, 3162821), (103, 2702216), (206, 1351108), (412, 675554), (824, 337777), (1133, 245656), (2266, 122828), (4532, 61414), (9064, 30707)]