331625216

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 717517584

約数和(自身を除く): 385892368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 251, 256, 397, 416, 502, 794, 832, 1004, 1588, 1664, 2008, 3176, 3263, 3328, 4016, 5161, 6352, 6526, 8032, 10322, 12704, 13052, 16064, 20644, 25408, 26104, 32128, 41288, 50816, 52208, 64256, 82576, 99647, 101632, 104416, 165152, 199294, 208832, 330304, 398588, 417664, 660608, 797176, 835328, 1295411, 1321216, 1594352, 2590822, 3188704, 5181644, 6377408, 10363288, 12754816, 20726576, 25509632, 41453152, 82906304, 165812608, 331625216]

約数ペア:

[(1, 331625216), (2, 165812608), (4, 82906304), (8, 41453152), (13, 25509632), (16, 20726576), (26, 12754816), (32, 10363288), (52, 6377408), (64, 5181644), (104, 3188704), (128, 2590822), (208, 1594352), (251, 1321216), (256, 1295411), (397, 835328), (416, 797176), (502, 660608), (794, 417664), (832, 398588), (1004, 330304), (1588, 208832), (1664, 199294), (2008, 165152), (3176, 104416), (3263, 101632), (3328, 99647), (4016, 82576), (5161, 64256), (6352, 52208), (6526, 50816), (8032, 41288), (10322, 32128), (12704, 26104), (13052, 25408), (16064, 20644)]