1640915392

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{71023}}^1$

素因数の和:71073

約数の個数: 42

約数和(自身を含む): 3436638288

約数和(自身を除く): 1795722896

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 361, 608, 722, 1216, 1444, 2888, 5776, 11552, 23104, 71023, 142046, 284092, 568184, 1136368, 1349437, 2272736, 2698874, 4545472, 5397748, 10795496, 21590992, 25639303, 43181984, 51278606, 86363968, 102557212, 205114424, 410228848, 820457696, 1640915392]

約数ペア:

[(1, 1640915392), (2, 820457696), (4, 410228848), (8, 205114424), (16, 102557212), (19, 86363968), (32, 51278606), (38, 43181984), (64, 25639303), (76, 21590992), (152, 10795496), (304, 5397748), (361, 4545472), (608, 2698874), (722, 2272736), (1216, 1349437), (1444, 1136368), (2888, 568184), (5776, 284092), (11552, 142046), (23104, 71023)]