169215856

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 355477248

約数和(自身を除く): 186261392

約数列:

[1, 2, 4, 8, 16, 31, 41, 53, 62, 82, 106, 124, 157, 164, 212, 248, 314, 328, 424, 496, 628, 656, 848, 1256, 1271, 1643, 2173, 2512, 2542, 3286, 4346, 4867, 5084, 6437, 6572, 8321, 8692, 9734, 10168, 12874, 13144, 16642, 17384, 19468, 20336, 25748, 26288, 33284, 34768, 38936, 51496, 66568, 67363, 77872, 102992, 133136, 134726, 199547, 257951, 269452, 341161, 399094, 515902, 538904, 682322, 798188, 1031804, 1077808, 1364644, 1596376, 2063608, 2729288, 3192752, 4127216, 5458576, 10575991, 21151982, 42303964, 84607928, 169215856]

約数ペア:

[(1, 169215856), (2, 84607928), (4, 42303964), (8, 21151982), (16, 10575991), (31, 5458576), (41, 4127216), (53, 3192752), (62, 2729288), (82, 2063608), (106, 1596376), (124, 1364644), (157, 1077808), (164, 1031804), (212, 798188), (248, 682322), (314, 538904), (328, 515902), (424, 399094), (496, 341161), (628, 269452), (656, 257951), (848, 199547), (1256, 134726), (1271, 133136), (1643, 102992), (2173, 77872), (2512, 67363), (2542, 66568), (3286, 51496), (4346, 38936), (4867, 34768), (5084, 33284), (6437, 26288), (6572, 25748), (8321, 20336), (8692, 19468), (9734, 17384), (10168, 16642), (12874, 13144)]