219871316

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{2557}}^1$

素因数の和:2688

約数の個数: 48

約数和(自身を含む): 457247616

約数和(自身を除く): 237376300

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 83, 148, 166, 259, 332, 518, 581, 1036, 1162, 2324, 2557, 3071, 5114, 6142, 10228, 12284, 17899, 21497, 35798, 42994, 71596, 85988, 94609, 189218, 212231, 378436, 424462, 662263, 848924, 1324526, 1485617, 2649052, 2971234, 5942468, 7852547, 15705094, 31410188, 54967829, 109935658, 219871316]

約数ペア:

[(1, 219871316), (2, 109935658), (4, 54967829), (7, 31410188), (14, 15705094), (28, 7852547), (37, 5942468), (74, 2971234), (83, 2649052), (148, 1485617), (166, 1324526), (259, 848924), (332, 662263), (518, 424462), (581, 378436), (1036, 212231), (1162, 189218), (2324, 94609), (2557, 85988), (3071, 71596), (5114, 42994), (6142, 35798), (10228, 21497), (12284, 17899)]