81935256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{20201}}^1$

素因数の和:20236

約数の個数: 48

約数和(自身を含む): 221817960

約数和(自身を除く): 139882704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 20201, 40402, 60603, 80804, 121206, 161608, 242412, 262613, 484824, 525226, 787839, 1050452, 1575678, 2100904, 3151356, 3413969, 6302712, 6827938, 10241907, 13655876, 20483814, 27311752, 40967628, 81935256]

約数ペア:

[(1, 81935256), (2, 40967628), (3, 27311752), (4, 20483814), (6, 13655876), (8, 10241907), (12, 6827938), (13, 6302712), (24, 3413969), (26, 3151356), (39, 2100904), (52, 1575678), (78, 1050452), (104, 787839), (156, 525226), (169, 484824), (312, 262613), (338, 242412), (507, 161608), (676, 121206), (1014, 80804), (1352, 60603), (2028, 40402), (4056, 20201)]