290837071

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{78839}}^1$

素因数の和:78894

約数の個数: 16

約数和(自身を含む): 363294720

約数和(自身を除く): 72457649

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 78839, 551873, 1340263, 2444009, 9381841, 17108063, 41548153, 290837071]

約数ペア:

[(1, 290837071), (7, 41548153), (17, 17108063), (31, 9381841), (119, 2444009), (217, 1340263), (527, 551873), (3689, 78839)]