408020036

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{461}}^1\times {\mathrm{541}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 718659480

約数和(自身を除く): 310639444

約数列:

[1, 2, 4, 409, 461, 541, 818, 922, 1082, 1636, 1844, 2164, 188549, 221269, 249401, 377098, 442538, 498802, 754196, 885076, 997604, 102005009, 204010018, 408020036]

約数ペア:

[(1, 408020036), (2, 204010018), (4, 102005009), (409, 997604), (461, 885076), (541, 754196), (818, 498802), (922, 442538), (1082, 377098), (1636, 249401), (1844, 221269), (2164, 188549)]