161287048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2633}}^1$

素因数の和:2702

約数の個数: 64

約数和(自身を含む): 354009600

約数和(自身を除く): 192722552

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 403, 494, 589, 806, 988, 1178, 1612, 1976, 2356, 2633, 3224, 4712, 5266, 7657, 10532, 15314, 21064, 30628, 34229, 50027, 61256, 68458, 81623, 100054, 136916, 163246, 200108, 273832, 326492, 400216, 650351, 652984, 1061099, 1300702, 1550837, 2122198, 2601404, 3101674, 4244396, 5202808, 6203348, 8488792, 12406696, 20160881, 40321762, 80643524, 161287048]

約数ペア:

[(1, 161287048), (2, 80643524), (4, 40321762), (8, 20160881), (13, 12406696), (19, 8488792), (26, 6203348), (31, 5202808), (38, 4244396), (52, 3101674), (62, 2601404), (76, 2122198), (104, 1550837), (124, 1300702), (152, 1061099), (247, 652984), (248, 650351), (403, 400216), (494, 326492), (589, 273832), (806, 200108), (988, 163246), (1178, 136916), (1612, 100054), (1976, 81623), (2356, 68458), (2633, 61256), (3224, 50027), (4712, 34229), (5266, 30628), (7657, 21064), (10532, 15314)]