64839496

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{971}}^1$

素因数の和:1485

約数の個数: 32

約数和(自身を含む): 129120480

約数和(自身を除く): 64280984

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 491, 971, 982, 1942, 1964, 3884, 3928, 7768, 8347, 16507, 16694, 33014, 33388, 66028, 66776, 132056, 476761, 953522, 1907044, 3814088, 8104937, 16209874, 32419748, 64839496]

約数ペア:

[(1, 64839496), (2, 32419748), (4, 16209874), (8, 8104937), (17, 3814088), (34, 1907044), (68, 953522), (136, 476761), (491, 132056), (971, 66776), (982, 66028), (1942, 33388), (1964, 33014), (3884, 16694), (3928, 16507), (7768, 8347)]