217528090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{98429}}^1$

素因数の和:98466

約数の個数: 32

約数和(自身を含む): 446478480

約数和(自身を除く): 228950390

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 98429, 196858, 492145, 984290, 1279577, 1673293, 2559154, 3346586, 6397885, 8366465, 12795770, 16732930, 21752809, 43505618, 108764045, 217528090]

約数ペア:

[(1, 217528090), (2, 108764045), (5, 43505618), (10, 21752809), (13, 16732930), (17, 12795770), (26, 8366465), (34, 6397885), (65, 3346586), (85, 2559154), (130, 1673293), (170, 1279577), (221, 984290), (442, 492145), (1105, 196858), (2210, 98429)]