81293904

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18211}}^1$

素因数の和:18256

約数の個数: 60

約数和(自身を含む): 234861952

約数和(自身を除く): 153568048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 18211, 36422, 54633, 72844, 109266, 145688, 163899, 218532, 291376, 327798, 437064, 564541, 655596, 874128, 1129082, 1311192, 1693623, 2258164, 2622384, 3387246, 4516328, 5080869, 6774492, 9032656, 10161738, 13548984, 20323476, 27097968, 40646952, 81293904]

約数ペア:

[(1, 81293904), (2, 40646952), (3, 27097968), (4, 20323476), (6, 13548984), (8, 10161738), (9, 9032656), (12, 6774492), (16, 5080869), (18, 4516328), (24, 3387246), (31, 2622384), (36, 2258164), (48, 1693623), (62, 1311192), (72, 1129082), (93, 874128), (124, 655596), (144, 564541), (186, 437064), (248, 327798), (279, 291376), (372, 218532), (496, 163899), (558, 145688), (744, 109266), (1116, 72844), (1488, 54633), (2232, 36422), (4464, 18211)]