61115728

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:683

約数の個数: 40

約数和(自身を含む): 122028896

約数和(自身を除く): 60913168

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 211, 344, 421, 422, 688, 842, 844, 1684, 1688, 3368, 3376, 6736, 9073, 18103, 18146, 36206, 36292, 72412, 72584, 88831, 144824, 145168, 177662, 289648, 355324, 710648, 1421296, 3819733, 7639466, 15278932, 30557864, 61115728]

約数ペア:

[(1, 61115728), (2, 30557864), (4, 15278932), (8, 7639466), (16, 3819733), (43, 1421296), (86, 710648), (172, 355324), (211, 289648), (344, 177662), (421, 145168), (422, 144824), (688, 88831), (842, 72584), (844, 72412), (1684, 36292), (1688, 36206), (3368, 18146), (3376, 18103), (6736, 9073)]