355019860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1365461}}^1$

素因数の和:1365483

約数の個数: 24

約数和(自身を含む): 802891656

約数和(自身を除く): 447871796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1365461, 2730922, 5461844, 6827305, 13654610, 17750993, 27309220, 35501986, 71003972, 88754965, 177509930, 355019860]

約数ペア:

[(1, 355019860), (2, 177509930), (4, 88754965), (5, 71003972), (10, 35501986), (13, 27309220), (20, 17750993), (26, 13654610), (52, 6827305), (65, 5461844), (130, 2730922), (260, 1365461)]