1253648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:455

約数の個数: 40

約数和(自身を含む): 2812320

約数和(自身を除く): 1558672

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 419, 748, 838, 1496, 1676, 2992, 3352, 4609, 6704, 7123, 9218, 14246, 18436, 28492, 36872, 56984, 73744, 78353, 113968, 156706, 313412, 626824, 1253648]

約数ペア:

[(1, 1253648), (2, 626824), (4, 313412), (8, 156706), (11, 113968), (16, 78353), (17, 73744), (22, 56984), (34, 36872), (44, 28492), (68, 18436), (88, 14246), (136, 9218), (176, 7123), (187, 6704), (272, 4609), (374, 3352), (419, 2992), (748, 1676), (838, 1496)]