64496564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 130636800

約数和(自身を除く): 66140236

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 179, 209, 358, 418, 431, 716, 836, 862, 1724, 1969, 3401, 3938, 4741, 6802, 7876, 8189, 9482, 13604, 16378, 18964, 32756, 37411, 74822, 77149, 90079, 149644, 154298, 180158, 308596, 360316, 848639, 1465831, 1697278, 2931662, 3394556, 5863324, 16124141, 32248282, 64496564]

約数ペア:

[(1, 64496564), (2, 32248282), (4, 16124141), (11, 5863324), (19, 3394556), (22, 2931662), (38, 1697278), (44, 1465831), (76, 848639), (179, 360316), (209, 308596), (358, 180158), (418, 154298), (431, 149644), (716, 90079), (836, 77149), (862, 74822), (1724, 37411), (1969, 32756), (3401, 18964), (3938, 16378), (4741, 13604), (6802, 9482), (7876, 8189)]