13128978064

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{2143}}^1\times {\mathrm{5393}}^1$

素因数の和:7615

約数の個数: 40

約数和(自身を含む): 25812490752

約数和(自身を除く): 12683512688

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 2143, 4286, 5393, 8572, 10786, 17144, 21572, 34288, 43144, 86288, 152153, 304306, 382903, 608612, 765806, 1217224, 1531612, 2434448, 3063224, 6126448, 11557199, 23114398, 46228796, 92457592, 184915184, 820561129, 1641122258, 3282244516, 6564489032, 13128978064]

約数ペア:

[(1, 13128978064), (2, 6564489032), (4, 3282244516), (8, 1641122258), (16, 820561129), (71, 184915184), (142, 92457592), (284, 46228796), (568, 23114398), (1136, 11557199), (2143, 6126448), (4286, 3063224), (5393, 2434448), (8572, 1531612), (10786, 1217224), (17144, 765806), (21572, 608612), (34288, 382903), (43144, 304306), (86288, 152153)]