1218943490

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{184409}}^1$

素因数の和:185077

約数の個数: 16

約数和(自身を含む): 2197429560

約数和(自身を除く): 978486070

約数列:

[1, 2, 5, 10, 661, 1322, 3305, 6610, 184409, 368818, 922045, 1844090, 121894349, 243788698, 609471745, 1218943490]

約数ペア:

[(1, 1218943490), (2, 609471745), (5, 243788698), (10, 121894349), (661, 1844090), (1322, 922045), (3305, 368818), (6610, 184409)]