1218121970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9370169}}^1$

素因数の和:9370189

約数の個数: 16

約数和(自身を含む): 2361282840

約数和(自身を除く): 1143160870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 9370169, 18740338, 46850845, 93701690, 121812197, 243624394, 609060985, 1218121970]

約数ペア:

[(1, 1218121970), (2, 609060985), (5, 243624394), (10, 121812197), (13, 93701690), (26, 46850845), (65, 18740338), (130, 9370169)]