28317776

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{11273}}^1$

素因数の和:11438

約数の個数: 20

約数和(自身を含む): 55220052

約数和(自身を除く): 26902276

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 11273, 22546, 45092, 90184, 180368, 1769861, 3539722, 7079444, 14158888, 28317776]

約数ペア:

[(1, 28317776), (2, 14158888), (4, 7079444), (8, 3539722), (16, 1769861), (157, 180368), (314, 90184), (628, 45092), (1256, 22546), (2512, 11273)]