398678741248

素因数分解:

$2^8\times {\mathrm{2797}}^1\times {\mathrm{556789}}^1$

素因数の和:559602

約数の個数: 36

約数和(自身を含む): 796086092620

約数和(自身を除く): 397407351372

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 2797, 5594, 11188, 22376, 44752, 89504, 179008, 358016, 556789, 716032, 1113578, 2227156, 4454312, 8908624, 17817248, 35634496, 71268992, 142537984, 1557338833, 3114677666, 6229355332, 12458710664, 24917421328, 49834842656, 99669685312, 199339370624, 398678741248]

約数ペア:

[(1, 398678741248), (2, 199339370624), (4, 99669685312), (8, 49834842656), (16, 24917421328), (32, 12458710664), (64, 6229355332), (128, 3114677666), (256, 1557338833), (2797, 142537984), (5594, 71268992), (11188, 35634496), (22376, 17817248), (44752, 8908624), (89504, 4454312), (179008, 2227156), (358016, 1113578), (556789, 716032)]