640372447

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4447}}^1$

素因数の和:4543

約数の個数: 32

約数和(自身を含む): 807045120

約数和(自身を除く): 166672673

約数列:

[1, 11, 13, 19, 53, 143, 209, 247, 583, 689, 1007, 2717, 4447, 7579, 11077, 13091, 48917, 57811, 84493, 144001, 235691, 635921, 929423, 1098409, 2592601, 3063983, 4478129, 12082499, 33703813, 49259419, 58215677, 640372447]

約数ペア:

[(1, 640372447), (11, 58215677), (13, 49259419), (19, 33703813), (53, 12082499), (143, 4478129), (209, 3063983), (247, 2592601), (583, 1098409), (689, 929423), (1007, 635921), (2717, 235691), (4447, 144001), (7579, 84493), (11077, 57811), (13091, 48917)]