207947870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{3911}}^1$

素因数の和:4340

約数の個数: 32

約数和(自身を含む): 404187840

約数和(自身を除く): 196239970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 818, 2045, 3911, 4090, 5317, 7822, 10634, 19555, 26585, 39110, 50843, 53170, 101686, 254215, 508430, 1599599, 3199198, 7997995, 15995990, 20794787, 41589574, 103973935, 207947870]

約数ペア:

[(1, 207947870), (2, 103973935), (5, 41589574), (10, 20794787), (13, 15995990), (26, 7997995), (65, 3199198), (130, 1599599), (409, 508430), (818, 254215), (2045, 101686), (3911, 53170), (4090, 50843), (5317, 39110), (7822, 26585), (10634, 19555)]