390891754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 681554016

約数和(自身を除く): 290662262

約数列:

[1, 2, 11, 22, 29, 37, 58, 74, 319, 407, 571, 638, 814, 841, 1073, 1142, 1682, 2146, 6281, 9251, 11803, 12562, 16559, 18502, 21127, 23606, 31117, 33118, 42254, 62234, 182149, 232397, 342287, 364298, 464794, 480211, 612683, 684574, 960422, 1225366, 5282321, 6739513, 10564642, 13479026, 17767807, 35535614, 195445877, 390891754]

約数ペア:

[(1, 390891754), (2, 195445877), (11, 35535614), (22, 17767807), (29, 13479026), (37, 10564642), (58, 6739513), (74, 5282321), (319, 1225366), (407, 960422), (571, 684574), (638, 612683), (814, 480211), (841, 464794), (1073, 364298), (1142, 342287), (1682, 232397), (2146, 182149), (6281, 62234), (9251, 42254), (11803, 33118), (12562, 31117), (16559, 23606), (18502, 21127)]