81089892

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1063}}^1$

素因数の和:1249

約数の個数: 72

約数和(自身を含む): 222307904

約数和(自身を除く): 141218012

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 163, 234, 326, 468, 489, 652, 978, 1063, 1467, 1956, 2119, 2126, 2934, 3189, 4238, 4252, 5868, 6357, 6378, 8476, 9567, 12714, 12756, 13819, 19071, 19134, 25428, 27638, 38142, 38268, 41457, 55276, 76284, 82914, 124371, 165828, 173269, 248742, 346538, 497484, 519807, 693076, 1039614, 1559421, 2079228, 2252497, 3118842, 4504994, 6237684, 6757491, 9009988, 13514982, 20272473, 27029964, 40544946, 81089892]

約数ペア:

[(1, 81089892), (2, 40544946), (3, 27029964), (4, 20272473), (6, 13514982), (9, 9009988), (12, 6757491), (13, 6237684), (18, 4504994), (26, 3118842), (36, 2252497), (39, 2079228), (52, 1559421), (78, 1039614), (117, 693076), (156, 519807), (163, 497484), (234, 346538), (326, 248742), (468, 173269), (489, 165828), (652, 124371), (978, 82914), (1063, 76284), (1467, 55276), (1956, 41457), (2119, 38268), (2126, 38142), (2934, 27638), (3189, 25428), (4238, 19134), (4252, 19071), (5868, 13819), (6357, 12756), (6378, 12714), (8476, 9567)]