821000892

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 2029192704

約数和(自身を除く): 1208191812

約数列:

[1, 2, 3, 4, 6, 12, 41, 43, 82, 86, 123, 129, 151, 164, 172, 246, 257, 258, 302, 453, 492, 514, 516, 604, 771, 906, 1028, 1542, 1763, 1812, 3084, 3526, 5289, 6191, 6493, 7052, 10537, 10578, 11051, 12382, 12986, 18573, 19479, 21074, 21156, 22102, 24764, 25972, 31611, 33153, 37146, 38807, 38958, 42148, 44204, 63222, 66306, 74292, 77614, 77916, 116421, 126444, 132612, 155228, 232842, 266213, 453091, 465684, 532426, 798639, 906182, 1064852, 1359273, 1591087, 1597278, 1668701, 1812364, 2718546, 3182174, 3194556, 3337402, 4773261, 5006103, 5437092, 6364348, 6674804, 9546522, 10012206, 19093044, 20024412, 68416741, 136833482, 205250223, 273666964, 410500446, 821000892]

約数ペア:

[(1, 821000892), (2, 410500446), (3, 273666964), (4, 205250223), (6, 136833482), (12, 68416741), (41, 20024412), (43, 19093044), (82, 10012206), (86, 9546522), (123, 6674804), (129, 6364348), (151, 5437092), (164, 5006103), (172, 4773261), (246, 3337402), (257, 3194556), (258, 3182174), (302, 2718546), (453, 1812364), (492, 1668701), (514, 1597278), (516, 1591087), (604, 1359273), (771, 1064852), (906, 906182), (1028, 798639), (1542, 532426), (1763, 465684), (1812, 453091), (3084, 266213), (3526, 232842), (5289, 155228), (6191, 132612), (6493, 126444), (7052, 116421), (10537, 77916), (10578, 77614), (11051, 74292), (12382, 66306), (12986, 63222), (18573, 44204), (19479, 42148), (21074, 38958), (21156, 38807), (22102, 37146), (24764, 33153), (25972, 31611)]