263165136

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{421739}}^1$

素因数の和:421763

約数の個数: 40

約数和(自身を含む): 732140640

約数和(自身を除く): 468975504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 421739, 843478, 1265217, 1686956, 2530434, 3373912, 5060868, 5482607, 6747824, 10121736, 10965214, 16447821, 20243472, 21930428, 32895642, 43860856, 65791284, 87721712, 131582568, 263165136]

約数ペア:

[(1, 263165136), (2, 131582568), (3, 87721712), (4, 65791284), (6, 43860856), (8, 32895642), (12, 21930428), (13, 20243472), (16, 16447821), (24, 10965214), (26, 10121736), (39, 6747824), (48, 5482607), (52, 5060868), (78, 3373912), (104, 2530434), (156, 1686956), (208, 1265217), (312, 843478), (624, 421739)]