31561038

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 71225856

約数和(自身を除く): 39664818

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 163, 186, 279, 326, 347, 489, 558, 694, 978, 1041, 1467, 2082, 2934, 3123, 5053, 6246, 10106, 10757, 15159, 21514, 30318, 32271, 45477, 56561, 64542, 90954, 96813, 113122, 169683, 193626, 339366, 509049, 1018098, 1753391, 3506782, 5260173, 10520346, 15780519, 31561038]

約数ペア:

[(1, 31561038), (2, 15780519), (3, 10520346), (6, 5260173), (9, 3506782), (18, 1753391), (31, 1018098), (62, 509049), (93, 339366), (163, 193626), (186, 169683), (279, 113122), (326, 96813), (347, 90954), (489, 64542), (558, 56561), (694, 45477), (978, 32271), (1041, 30318), (1467, 21514), (2082, 15159), (2934, 10757), (3123, 10106), (5053, 6246)]