71308912

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:841

約数の個数: 40

約数和(自身を含む): 143673840

約数和(自身を除く): 72364928

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 313, 464, 491, 626, 982, 1252, 1964, 2504, 3928, 5008, 7856, 9077, 14239, 18154, 28478, 36308, 56956, 72616, 113912, 145232, 153683, 227824, 307366, 614732, 1229464, 2458928, 4456807, 8913614, 17827228, 35654456, 71308912]

約数ペア:

[(1, 71308912), (2, 35654456), (4, 17827228), (8, 8913614), (16, 4456807), (29, 2458928), (58, 1229464), (116, 614732), (232, 307366), (313, 227824), (464, 153683), (491, 145232), (626, 113912), (982, 72616), (1252, 56956), (1964, 36308), (2504, 28478), (3928, 18154), (5008, 14239), (7856, 9077)]