31380864

素因数分解:

$2^7\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1239

約数の個数: 64

約数和(自身を含む): 84602880

約数和(自身を除く): 53222016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 213, 284, 384, 426, 568, 852, 1136, 1151, 1704, 2272, 2302, 3408, 3453, 4544, 4604, 6816, 6906, 9088, 9208, 13632, 13812, 18416, 27264, 27624, 36832, 55248, 73664, 81721, 110496, 147328, 163442, 220992, 245163, 326884, 441984, 490326, 653768, 980652, 1307536, 1961304, 2615072, 3922608, 5230144, 7845216, 10460288, 15690432, 31380864]

約数ペア:

[(1, 31380864), (2, 15690432), (3, 10460288), (4, 7845216), (6, 5230144), (8, 3922608), (12, 2615072), (16, 1961304), (24, 1307536), (32, 980652), (48, 653768), (64, 490326), (71, 441984), (96, 326884), (128, 245163), (142, 220992), (192, 163442), (213, 147328), (284, 110496), (384, 81721), (426, 73664), (568, 55248), (852, 36832), (1136, 27624), (1151, 27264), (1704, 18416), (2272, 13812), (2302, 13632), (3408, 9208), (3453, 9088), (4544, 6906), (4604, 6816)]