31317812

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 60211200

約数和(自身を除く): 28893388

約数列:

[1, 2, 4, 23, 31, 46, 62, 79, 92, 124, 139, 158, 278, 316, 556, 713, 1426, 1817, 2449, 2852, 3197, 3634, 4309, 4898, 6394, 7268, 8618, 9796, 10981, 12788, 17236, 21962, 43924, 56327, 99107, 112654, 198214, 225308, 252563, 340411, 396428, 505126, 680822, 1010252, 1361644, 7829453, 15658906, 31317812]

約数ペア:

[(1, 31317812), (2, 15658906), (4, 7829453), (23, 1361644), (31, 1010252), (46, 680822), (62, 505126), (79, 396428), (92, 340411), (124, 252563), (139, 225308), (158, 198214), (278, 112654), (316, 99107), (556, 56327), (713, 43924), (1426, 21962), (1817, 17236), (2449, 12788), (2852, 10981), (3197, 9796), (3634, 8618), (4309, 7268), (4898, 6394)]