66789842

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 122627520

約数和(自身を除く): 55837678

約数列:

[1, 2, 7, 14, 29, 49, 58, 71, 98, 142, 203, 331, 406, 497, 662, 994, 1421, 2059, 2317, 2842, 3479, 4118, 4634, 6958, 9599, 14413, 16219, 19198, 23501, 28826, 32438, 47002, 67193, 100891, 134386, 164507, 201782, 329014, 470351, 681529, 940702, 1151549, 1363058, 2303098, 4770703, 9541406, 33394921, 66789842]

約数ペア:

[(1, 66789842), (2, 33394921), (7, 9541406), (14, 4770703), (29, 2303098), (49, 1363058), (58, 1151549), (71, 940702), (98, 681529), (142, 470351), (203, 329014), (331, 201782), (406, 164507), (497, 134386), (662, 100891), (994, 67193), (1421, 47002), (2059, 32438), (2317, 28826), (2842, 23501), (3479, 19198), (4118, 16219), (4634, 14413), (6958, 9599)]