64821978

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{7103}}^1$

素因数の和:7140

約数の個数: 48

約数和(自身を含む): 156003840

約数和(自身を除く): 91181862

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 3042, 4563, 7103, 9126, 14206, 21309, 42618, 63927, 92339, 127854, 184678, 191781, 277017, 383562, 554034, 831051, 1200407, 1662102, 2400814, 2493153, 3601221, 4986306, 7202442, 10803663, 21607326, 32410989, 64821978]

約数ペア:

[(1, 64821978), (2, 32410989), (3, 21607326), (6, 10803663), (9, 7202442), (13, 4986306), (18, 3601221), (26, 2493153), (27, 2400814), (39, 1662102), (54, 1200407), (78, 831051), (117, 554034), (169, 383562), (234, 277017), (338, 191781), (351, 184678), (507, 127854), (702, 92339), (1014, 63927), (1521, 42618), (3042, 21309), (4563, 14206), (7103, 9126)]