201812885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{19603}}^1$

素因数の和:19708

約数の個数: 16

約数和(自身を含む): 254067840

約数和(自身を除く): 52254955

約数列:

[1, 5, 29, 71, 145, 355, 2059, 10295, 19603, 98015, 568487, 1391813, 2842435, 6959065, 40362577, 201812885]

約数ペア:

[(1, 201812885), (5, 40362577), (29, 6959065), (71, 2842435), (145, 1391813), (355, 568487), (2059, 98015), (10295, 19603)]