81465384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3391}}^1$

素因数の和:3431

約数の個数: 128

約数和(自身を含む): 273530880

約数和(自身を除く): 192065496

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 44, 52, 56, 66, 77, 78, 84, 88, 91, 104, 132, 143, 154, 156, 168, 182, 231, 264, 273, 286, 308, 312, 364, 429, 462, 546, 572, 616, 728, 858, 924, 1001, 1092, 1144, 1716, 1848, 2002, 2184, 3003, 3391, 3432, 4004, 6006, 6782, 8008, 10173, 12012, 13564, 20346, 23737, 24024, 27128, 37301, 40692, 44083, 47474, 71211, 74602, 81384, 88166, 94948, 111903, 132249, 142422, 149204, 176332, 189896, 223806, 261107, 264498, 284844, 298408, 308581, 352664, 447612, 484913, 522214, 528996, 569688, 617162, 783321, 895224, 925743, 969826, 1044428, 1057992, 1234324, 1454739, 1566642, 1851486, 1939652, 2088856, 2468648, 2909478, 3133284, 3394391, 3702972, 3879304, 5818956, 6266568, 6788782, 7405944, 10183173, 11637912, 13577564, 20366346, 27155128, 40732692, 81465384]

約数ペア:

[(1, 81465384), (2, 40732692), (3, 27155128), (4, 20366346), (6, 13577564), (7, 11637912), (8, 10183173), (11, 7405944), (12, 6788782), (13, 6266568), (14, 5818956), (21, 3879304), (22, 3702972), (24, 3394391), (26, 3133284), (28, 2909478), (33, 2468648), (39, 2088856), (42, 1939652), (44, 1851486), (52, 1566642), (56, 1454739), (66, 1234324), (77, 1057992), (78, 1044428), (84, 969826), (88, 925743), (91, 895224), (104, 783321), (132, 617162), (143, 569688), (154, 528996), (156, 522214), (168, 484913), (182, 447612), (231, 352664), (264, 308581), (273, 298408), (286, 284844), (308, 264498), (312, 261107), (364, 223806), (429, 189896), (462, 176332), (546, 149204), (572, 142422), (616, 132249), (728, 111903), (858, 94948), (924, 88166), (1001, 81384), (1092, 74602), (1144, 71211), (1716, 47474), (1848, 44083), (2002, 40692), (2184, 37301), (3003, 27128), (3391, 24024), (3432, 23737), (4004, 20346), (6006, 13564), (6782, 12012), (8008, 10173)]