42128918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 70120512

約数和(自身を除く): 27991594

約数列:

[1, 2, 13, 26, 61, 101, 122, 202, 263, 526, 793, 1313, 1586, 2626, 3419, 6161, 6838, 12322, 16043, 26563, 32086, 53126, 80093, 160186, 208559, 345319, 417118, 690638, 1620343, 3240686, 21064459, 42128918]

約数ペア:

[(1, 42128918), (2, 21064459), (13, 3240686), (26, 1620343), (61, 690638), (101, 417118), (122, 345319), (202, 208559), (263, 160186), (526, 80093), (793, 53126), (1313, 32086), (1586, 26563), (2626, 16043), (3419, 12322), (6161, 6838)]