212437990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{348259}}^1$

素因数の和:348327

約数の個数: 16

約数和(自身を含む): 388658160

約数和(自身を除く): 176220170

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 348259, 696518, 1741295, 3482590, 21243799, 42487598, 106218995, 212437990]

約数ペア:

[(1, 212437990), (2, 106218995), (5, 42487598), (10, 21243799), (61, 3482590), (122, 1741295), (305, 696518), (610, 348259)]