256879896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{117619}}^1$

素因数の和:117648

約数の個数: 64

約数和(自身を含む): 790406400

約数和(自身を除く): 533526504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 117619, 235238, 352857, 470476, 705714, 823333, 940952, 1411428, 1529047, 1646666, 2469999, 2822856, 3058094, 3293332, 4587141, 4939998, 6116188, 6586664, 9174282, 9879996, 10703329, 12232376, 18348564, 19759992, 21406658, 32109987, 36697128, 42813316, 64219974, 85626632, 128439948, 256879896]

約数ペア:

[(1, 256879896), (2, 128439948), (3, 85626632), (4, 64219974), (6, 42813316), (7, 36697128), (8, 32109987), (12, 21406658), (13, 19759992), (14, 18348564), (21, 12232376), (24, 10703329), (26, 9879996), (28, 9174282), (39, 6586664), (42, 6116188), (52, 4939998), (56, 4587141), (78, 3293332), (84, 3058094), (91, 2822856), (104, 2469999), (156, 1646666), (168, 1529047), (182, 1411428), (273, 940952), (312, 823333), (364, 705714), (546, 470476), (728, 352857), (1092, 235238), (2184, 117619)]