31371008

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 66716160

約数和(自身を除く): 35345152

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 64, 67, 118, 124, 128, 134, 236, 248, 256, 268, 472, 496, 536, 944, 992, 1072, 1829, 1888, 1984, 2077, 2144, 3658, 3776, 3953, 3968, 4154, 4288, 7316, 7552, 7906, 7936, 8308, 8576, 14632, 15104, 15812, 16616, 17152, 29264, 31624, 33232, 58528, 63248, 66464, 117056, 122543, 126496, 132928, 234112, 245086, 252992, 265856, 468224, 490172, 505984, 531712, 980344, 1011968, 1960688, 3921376, 7842752, 15685504, 31371008]

約数ペア:

[(1, 31371008), (2, 15685504), (4, 7842752), (8, 3921376), (16, 1960688), (31, 1011968), (32, 980344), (59, 531712), (62, 505984), (64, 490172), (67, 468224), (118, 265856), (124, 252992), (128, 245086), (134, 234112), (236, 132928), (248, 126496), (256, 122543), (268, 117056), (472, 66464), (496, 63248), (536, 58528), (944, 33232), (992, 31624), (1072, 29264), (1829, 17152), (1888, 16616), (1984, 15812), (2077, 15104), (2144, 14632), (3658, 8576), (3776, 8308), (3953, 7936), (3968, 7906), (4154, 7552), (4288, 7316)]