720936138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{16417}}^1$

素因数の和:16998

約数の個数: 32

約数和(自身を含む): 1555638336

約数和(自身を除く): 834702198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 563, 1126, 1689, 3378, 7319, 14638, 16417, 21957, 32834, 43914, 49251, 98502, 213421, 426842, 640263, 1280526, 9242771, 18485542, 27728313, 55456626, 120156023, 240312046, 360468069, 720936138]

約数ペア:

[(1, 720936138), (2, 360468069), (3, 240312046), (6, 120156023), (13, 55456626), (26, 27728313), (39, 18485542), (78, 9242771), (563, 1280526), (1126, 640263), (1689, 426842), (3378, 213421), (7319, 98502), (14638, 49251), (16417, 43914), (21957, 32834)]