256561848

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:741

約数の個数: 96

約数和(自身を含む): 718770000

約数和(自身を除く): 462208152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 193, 222, 296, 333, 386, 444, 499, 579, 666, 772, 888, 998, 1158, 1332, 1497, 1544, 1737, 1996, 2316, 2664, 2994, 3474, 3992, 4491, 4632, 5988, 6948, 7141, 8982, 11976, 13896, 14282, 17964, 18463, 21423, 28564, 35928, 36926, 42846, 55389, 57128, 64269, 73852, 85692, 96307, 110778, 128538, 147704, 166167, 171384, 192614, 221556, 257076, 288921, 332334, 385228, 443112, 514152, 577842, 664668, 770456, 866763, 1155684, 1329336, 1733526, 2311368, 3467052, 3563359, 6934104, 7126718, 10690077, 14253436, 21380154, 28506872, 32070231, 42760308, 64140462, 85520616, 128280924, 256561848]

約数ペア:

[(1, 256561848), (2, 128280924), (3, 85520616), (4, 64140462), (6, 42760308), (8, 32070231), (9, 28506872), (12, 21380154), (18, 14253436), (24, 10690077), (36, 7126718), (37, 6934104), (72, 3563359), (74, 3467052), (111, 2311368), (148, 1733526), (193, 1329336), (222, 1155684), (296, 866763), (333, 770456), (386, 664668), (444, 577842), (499, 514152), (579, 443112), (666, 385228), (772, 332334), (888, 288921), (998, 257076), (1158, 221556), (1332, 192614), (1497, 171384), (1544, 166167), (1737, 147704), (1996, 128538), (2316, 110778), (2664, 96307), (2994, 85692), (3474, 73852), (3992, 64269), (4491, 57128), (4632, 55389), (5988, 42846), (6948, 36926), (7141, 35928), (8982, 28564), (11976, 21423), (13896, 18463), (14282, 17964)]