81945708

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27647}}^1$

素因数の和:27686

約数の個数: 48

約数和(自身を含む): 216760320

約数和(自身を除く): 134814612

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 27647, 55294, 82941, 110588, 165882, 331764, 359411, 525293, 718822, 1050586, 1078233, 1437644, 1575879, 2101172, 2156466, 3151758, 4312932, 6303516, 6828809, 13657618, 20486427, 27315236, 40972854, 81945708]

約数ペア:

[(1, 81945708), (2, 40972854), (3, 27315236), (4, 20486427), (6, 13657618), (12, 6828809), (13, 6303516), (19, 4312932), (26, 3151758), (38, 2156466), (39, 2101172), (52, 1575879), (57, 1437644), (76, 1078233), (78, 1050586), (114, 718822), (156, 525293), (228, 359411), (247, 331764), (494, 165882), (741, 110588), (988, 82941), (1482, 55294), (2964, 27647)]