78920192

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:269

約数の個数: 80

約数和(自身を含む): 173238912

約数和(自身を除く): 94318720

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 142, 167, 208, 256, 284, 334, 416, 512, 568, 668, 832, 923, 1136, 1336, 1664, 1846, 2171, 2272, 2672, 3328, 3692, 4342, 4544, 5344, 6656, 7384, 8684, 9088, 10688, 11857, 14768, 17368, 18176, 21376, 23714, 29536, 34736, 36352, 42752, 47428, 59072, 69472, 85504, 94856, 118144, 138944, 154141, 189712, 236288, 277888, 308282, 379424, 472576, 555776, 616564, 758848, 1111552, 1233128, 1517696, 2466256, 3035392, 4932512, 6070784, 9865024, 19730048, 39460096, 78920192]

約数ペア:

[(1, 78920192), (2, 39460096), (4, 19730048), (8, 9865024), (13, 6070784), (16, 4932512), (26, 3035392), (32, 2466256), (52, 1517696), (64, 1233128), (71, 1111552), (104, 758848), (128, 616564), (142, 555776), (167, 472576), (208, 379424), (256, 308282), (284, 277888), (334, 236288), (416, 189712), (512, 154141), (568, 138944), (668, 118144), (832, 94856), (923, 85504), (1136, 69472), (1336, 59072), (1664, 47428), (1846, 42752), (2171, 36352), (2272, 34736), (2672, 29536), (3328, 23714), (3692, 21376), (4342, 18176), (4544, 17368), (5344, 14768), (6656, 11857), (7384, 10688), (8684, 9088)]