2155998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 4701312

約数和(自身を除く): 2545314

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 211, 262, 393, 422, 633, 786, 1266, 1703, 2743, 3406, 5109, 5486, 8229, 10218, 16458, 27641, 55282, 82923, 165846, 359333, 718666, 1077999, 2155998]

約数ペア:

[(1, 2155998), (2, 1077999), (3, 718666), (6, 359333), (13, 165846), (26, 82923), (39, 55282), (78, 27641), (131, 16458), (211, 10218), (262, 8229), (393, 5486), (422, 5109), (633, 3406), (786, 2743), (1266, 1703)]