28705256

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{409}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 55891200

約数和(自身を除く): 27185944

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 283, 409, 566, 818, 1132, 1636, 2264, 3272, 8773, 12679, 17546, 25358, 35092, 50716, 70184, 101432, 115747, 231494, 462988, 925976, 3588157, 7176314, 14352628, 28705256]

約数ペア:

[(1, 28705256), (2, 14352628), (4, 7176314), (8, 3588157), (31, 925976), (62, 462988), (124, 231494), (248, 115747), (283, 101432), (409, 70184), (566, 50716), (818, 35092), (1132, 25358), (1636, 17546), (2264, 12679), (3272, 8773)]