81039756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 223534080

約数和(自身を除く): 142494324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 109, 159, 167, 212, 218, 318, 327, 334, 371, 436, 501, 636, 654, 668, 742, 763, 1002, 1113, 1169, 1308, 1484, 1526, 2004, 2226, 2289, 2338, 3052, 3507, 4452, 4578, 4676, 5777, 7014, 8851, 9156, 11554, 14028, 17331, 17702, 18203, 23108, 26553, 34662, 35404, 36406, 40439, 53106, 54609, 61957, 69324, 72812, 80878, 106212, 109218, 121317, 123914, 127421, 161756, 185871, 218436, 242634, 247828, 254842, 371742, 382263, 485268, 509684, 743484, 764526, 964759, 1529052, 1929518, 2894277, 3859036, 5788554, 6753313, 11577108, 13506626, 20259939, 27013252, 40519878, 81039756]

約数ペア:

[(1, 81039756), (2, 40519878), (3, 27013252), (4, 20259939), (6, 13506626), (7, 11577108), (12, 6753313), (14, 5788554), (21, 3859036), (28, 2894277), (42, 1929518), (53, 1529052), (84, 964759), (106, 764526), (109, 743484), (159, 509684), (167, 485268), (212, 382263), (218, 371742), (318, 254842), (327, 247828), (334, 242634), (371, 218436), (436, 185871), (501, 161756), (636, 127421), (654, 123914), (668, 121317), (742, 109218), (763, 106212), (1002, 80878), (1113, 72812), (1169, 69324), (1308, 61957), (1484, 54609), (1526, 53106), (2004, 40439), (2226, 36406), (2289, 35404), (2338, 34662), (3052, 26553), (3507, 23108), (4452, 18203), (4578, 17702), (4676, 17331), (5777, 14028), (7014, 11554), (8851, 9156)]