243399172

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{4021}}^1$

素因数の和:4471

約数の個数: 24

約数和(自身を含む): 438639320

約数和(自身を除く): 195240148

約数列:

[1, 2, 4, 37, 74, 148, 409, 818, 1636, 4021, 8042, 15133, 16084, 30266, 60532, 148777, 297554, 595108, 1644589, 3289178, 6578356, 60849793, 121699586, 243399172]

約数ペア:

[(1, 243399172), (2, 121699586), (4, 60849793), (37, 6578356), (74, 3289178), (148, 1644589), (409, 595108), (818, 297554), (1636, 148777), (4021, 60532), (8042, 30266), (15133, 16084)]