2181848

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 4419360

約数和(自身を除く): 2237512

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 244, 263, 488, 526, 1037, 1052, 2074, 2104, 4148, 4471, 8296, 8942, 16043, 17884, 32086, 35768, 64172, 128344, 272731, 545462, 1090924, 2181848]

約数ペア:

[(1, 2181848), (2, 1090924), (4, 545462), (8, 272731), (17, 128344), (34, 64172), (61, 35768), (68, 32086), (122, 17884), (136, 16043), (244, 8942), (263, 8296), (488, 4471), (526, 4148), (1037, 2104), (1052, 2074)]