81709368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{691}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 220886400

約数和(自身を除く): 139177032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 379, 691, 758, 1137, 1382, 1516, 2073, 2274, 2764, 3032, 4146, 4548, 4927, 5528, 8292, 8983, 9096, 9854, 14781, 16584, 17966, 19708, 26949, 29562, 35932, 39416, 53898, 59124, 71864, 107796, 118248, 215592, 261889, 523778, 785667, 1047556, 1571334, 2095112, 3142668, 3404557, 6285336, 6809114, 10213671, 13618228, 20427342, 27236456, 40854684, 81709368]

約数ペア:

[(1, 81709368), (2, 40854684), (3, 27236456), (4, 20427342), (6, 13618228), (8, 10213671), (12, 6809114), (13, 6285336), (24, 3404557), (26, 3142668), (39, 2095112), (52, 1571334), (78, 1047556), (104, 785667), (156, 523778), (312, 261889), (379, 215592), (691, 118248), (758, 107796), (1137, 71864), (1382, 59124), (1516, 53898), (2073, 39416), (2274, 35932), (2764, 29562), (3032, 26949), (4146, 19708), (4548, 17966), (4927, 16584), (5528, 14781), (8292, 9854), (8983, 9096)]