901764890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11777}}^1$

素因数の和:11847

約数の個数: 64

約数和(自身を含む): 1899555840

約数和(自身を除く): 997790950

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 130, 155, 190, 247, 310, 403, 494, 589, 806, 1178, 1235, 2015, 2470, 2945, 4030, 5890, 7657, 11777, 15314, 23554, 38285, 58885, 76570, 117770, 153101, 223763, 306202, 365087, 447526, 730174, 765505, 1118815, 1531010, 1825435, 2237630, 2908919, 3650870, 4746131, 5817838, 6936653, 9492262, 13873306, 14544595, 23730655, 29089190, 34683265, 47461310, 69366530, 90176489, 180352978, 450882445, 901764890]

約数ペア:

[(1, 901764890), (2, 450882445), (5, 180352978), (10, 90176489), (13, 69366530), (19, 47461310), (26, 34683265), (31, 29089190), (38, 23730655), (62, 14544595), (65, 13873306), (95, 9492262), (130, 6936653), (155, 5817838), (190, 4746131), (247, 3650870), (310, 2908919), (403, 2237630), (494, 1825435), (589, 1531010), (806, 1118815), (1178, 765505), (1235, 730174), (2015, 447526), (2470, 365087), (2945, 306202), (4030, 223763), (5890, 153101), (7657, 117770), (11777, 76570), (15314, 58885), (23554, 38285)]