1221398210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5310427}}^1$

素因数の和:5310457

約数の個数: 16

約数和(自身を含む): 2294104896

約数和(自身を除く): 1072706686

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 5310427, 10620854, 26552135, 53104270, 122139821, 244279642, 610699105, 1221398210]

約数ペア:

[(1, 1221398210), (2, 610699105), (5, 244279642), (10, 122139821), (23, 53104270), (46, 26552135), (115, 10620854), (230, 5310427)]