256409608

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{619}}^1$

素因数の和:1214

約数の個数: 64

約数和(自身を含む): 593712000

約数和(自身を除く): 337302392

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 569, 619, 728, 1138, 1238, 2276, 2476, 3983, 4333, 4552, 4952, 7397, 7966, 8047, 8666, 14794, 15932, 16094, 17332, 29588, 31864, 32188, 34664, 51779, 56329, 59176, 64376, 103558, 112658, 207116, 225316, 352211, 414232, 450632, 704422, 1408844, 2465477, 2817688, 4578743, 4930954, 9157486, 9861908, 18314972, 19723816, 32051201, 36629944, 64102402, 128204804, 256409608]

約数ペア:

[(1, 256409608), (2, 128204804), (4, 64102402), (7, 36629944), (8, 32051201), (13, 19723816), (14, 18314972), (26, 9861908), (28, 9157486), (52, 4930954), (56, 4578743), (91, 2817688), (104, 2465477), (182, 1408844), (364, 704422), (569, 450632), (619, 414232), (728, 352211), (1138, 225316), (1238, 207116), (2276, 112658), (2476, 103558), (3983, 64376), (4333, 59176), (4552, 56329), (4952, 51779), (7397, 34664), (7966, 32188), (8047, 31864), (8666, 29588), (14794, 17332), (15932, 16094)]