989851148

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2579}}^1$

素因数の和:2679

約数の個数: 72

約数和(自身を含む): 2084918640

約数和(自身を除く): 1095067492

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 61, 121, 122, 143, 242, 244, 286, 484, 572, 671, 793, 1342, 1573, 1586, 2579, 2684, 3146, 3172, 5158, 6292, 7381, 8723, 10316, 14762, 17446, 28369, 29524, 33527, 34892, 56738, 67054, 95953, 113476, 134108, 157319, 191906, 312059, 314638, 368797, 383812, 624118, 629276, 737594, 1248236, 1475188, 1730509, 2045147, 3461018, 4056767, 4090294, 6922036, 8113534, 8180588, 16227068, 19035599, 22496617, 38071198, 44993234, 76142396, 89986468, 247462787, 494925574, 989851148]

約数ペア:

[(1, 989851148), (2, 494925574), (4, 247462787), (11, 89986468), (13, 76142396), (22, 44993234), (26, 38071198), (44, 22496617), (52, 19035599), (61, 16227068), (121, 8180588), (122, 8113534), (143, 6922036), (242, 4090294), (244, 4056767), (286, 3461018), (484, 2045147), (572, 1730509), (671, 1475188), (793, 1248236), (1342, 737594), (1573, 629276), (1586, 624118), (2579, 383812), (2684, 368797), (3146, 314638), (3172, 312059), (5158, 191906), (6292, 157319), (7381, 134108), (8723, 113476), (10316, 95953), (14762, 67054), (17446, 56738), (28369, 34892), (29524, 33527)]