90643566

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2041

約数の個数: 64

約数和(自身を含む): 212244480

約数和(自身を除く): 121600914

約数列:

[1, 2, 3, 6, 13, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 186, 247, 403, 494, 589, 741, 806, 1178, 1209, 1482, 1767, 1973, 2418, 3534, 3946, 5919, 7657, 11838, 15314, 22971, 25649, 37487, 45942, 51298, 61163, 74974, 76947, 112461, 122326, 153894, 183489, 224922, 366978, 487331, 795119, 974662, 1162097, 1461993, 1590238, 2324194, 2385357, 2923986, 3486291, 4770714, 6972582, 15107261, 30214522, 45321783, 90643566]

約数ペア:

[(1, 90643566), (2, 45321783), (3, 30214522), (6, 15107261), (13, 6972582), (19, 4770714), (26, 3486291), (31, 2923986), (38, 2385357), (39, 2324194), (57, 1590238), (62, 1461993), (78, 1162097), (93, 974662), (114, 795119), (186, 487331), (247, 366978), (403, 224922), (494, 183489), (589, 153894), (741, 122326), (806, 112461), (1178, 76947), (1209, 74974), (1482, 61163), (1767, 51298), (1973, 45942), (2418, 37487), (3534, 25649), (3946, 22971), (5919, 15314), (7657, 11838)]