399989872

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{3761}}^1$

素因数の和:3826

約数の個数: 60

約数和(自身を含む): 859270896

約数和(自身を除く): 459281024

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 289, 368, 391, 578, 782, 1156, 1564, 2312, 3128, 3761, 4624, 6256, 6647, 7522, 13294, 15044, 26588, 30088, 53176, 60176, 63937, 86503, 106352, 127874, 173006, 255748, 346012, 511496, 692024, 1022992, 1086929, 1384048, 1470551, 2173858, 2941102, 4347716, 5882204, 8695432, 11764408, 17390864, 23528816, 24999367, 49998734, 99997468, 199994936, 399989872]

約数ペア:

[(1, 399989872), (2, 199994936), (4, 99997468), (8, 49998734), (16, 24999367), (17, 23528816), (23, 17390864), (34, 11764408), (46, 8695432), (68, 5882204), (92, 4347716), (136, 2941102), (184, 2173858), (272, 1470551), (289, 1384048), (368, 1086929), (391, 1022992), (578, 692024), (782, 511496), (1156, 346012), (1564, 255748), (2312, 173006), (3128, 127874), (3761, 106352), (4624, 86503), (6256, 63937), (6647, 60176), (7522, 53176), (13294, 30088), (15044, 26588)]