1021264

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 40

約数和(自身を含む): 2142720

約数和(自身を除く): 1121456

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 71, 116, 124, 142, 232, 248, 284, 464, 496, 568, 899, 1136, 1798, 2059, 2201, 3596, 4118, 4402, 7192, 8236, 8804, 14384, 16472, 17608, 32944, 35216, 63829, 127658, 255316, 510632, 1021264]

約数ペア:

[(1, 1021264), (2, 510632), (4, 255316), (8, 127658), (16, 63829), (29, 35216), (31, 32944), (58, 17608), (62, 16472), (71, 14384), (116, 8804), (124, 8236), (142, 7192), (232, 4402), (248, 4118), (284, 3596), (464, 2201), (496, 2059), (568, 1798), (899, 1136)]