81034088

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 166056000

約数和(自身を除く): 85021912

約数列:

[1, 2, 4, 8, 19, 38, 67, 73, 76, 109, 134, 146, 152, 218, 268, 292, 436, 536, 584, 872, 1273, 1387, 2071, 2546, 2774, 4142, 4891, 5092, 5548, 7303, 7957, 8284, 9782, 10184, 11096, 14606, 15914, 16568, 19564, 29212, 31828, 39128, 58424, 63656, 92929, 138757, 151183, 185858, 277514, 302366, 371716, 533119, 555028, 604732, 743432, 1066238, 1110056, 1209464, 2132476, 4264952, 10129261, 20258522, 40517044, 81034088]

約数ペア:

[(1, 81034088), (2, 40517044), (4, 20258522), (8, 10129261), (19, 4264952), (38, 2132476), (67, 1209464), (73, 1110056), (76, 1066238), (109, 743432), (134, 604732), (146, 555028), (152, 533119), (218, 371716), (268, 302366), (292, 277514), (436, 185858), (536, 151183), (584, 138757), (872, 92929), (1273, 63656), (1387, 58424), (2071, 39128), (2546, 31828), (2774, 29212), (4142, 19564), (4891, 16568), (5092, 15914), (5548, 14606), (7303, 11096), (7957, 10184), (8284, 9782)]