64969970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7039}}^1$

素因数の和:7130

約数の個数: 32

約数和(自身を含む): 127733760

約数和(自身を除く): 62763790

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 7039, 9230, 14078, 35195, 70390, 91507, 183014, 457535, 499769, 915070, 999538, 2498845, 4997690, 6496997, 12993994, 32484985, 64969970]

約数ペア:

[(1, 64969970), (2, 32484985), (5, 12993994), (10, 6496997), (13, 4997690), (26, 2498845), (65, 999538), (71, 915070), (130, 499769), (142, 457535), (355, 183014), (710, 91507), (923, 70390), (1846, 35195), (4615, 14078), (7039, 9230)]