256175514

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1657}}^1$

素因数の和:2084

約数の個数: 64

約数和(自身を含む): 652588800

約数和(自身を除く): 396413286

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 409, 818, 1227, 1657, 2454, 2863, 3314, 3681, 4971, 5726, 7362, 8589, 9942, 11043, 11599, 14913, 17178, 22086, 23198, 25767, 29826, 34797, 44739, 51534, 69594, 77301, 89478, 104391, 154602, 208782, 313173, 626346, 677713, 1355426, 2033139, 4066278, 4743991, 6099417, 9487982, 12198834, 14231973, 18298251, 28463946, 36596502, 42695919, 85391838, 128087757, 256175514]

約数ペア:

[(1, 256175514), (2, 128087757), (3, 85391838), (6, 42695919), (7, 36596502), (9, 28463946), (14, 18298251), (18, 14231973), (21, 12198834), (27, 9487982), (42, 6099417), (54, 4743991), (63, 4066278), (126, 2033139), (189, 1355426), (378, 677713), (409, 626346), (818, 313173), (1227, 208782), (1657, 154602), (2454, 104391), (2863, 89478), (3314, 77301), (3681, 69594), (4971, 51534), (5726, 44739), (7362, 34797), (8589, 29826), (9942, 25767), (11043, 23198), (11599, 22086), (14913, 17178)]