81413612

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{10061}}^1$

素因数の和:10106

約数の個数: 36

約数和(自身を含む): 172985904

約数和(自身を除く): 91572292

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 4046, 8092, 10061, 20122, 40244, 70427, 140854, 171037, 281708, 342074, 684148, 1197259, 2394518, 2907629, 4789036, 5815258, 11630516, 20353403, 40706806, 81413612]

約数ペア:

[(1, 81413612), (2, 40706806), (4, 20353403), (7, 11630516), (14, 5815258), (17, 4789036), (28, 2907629), (34, 2394518), (68, 1197259), (119, 684148), (238, 342074), (289, 281708), (476, 171037), (578, 140854), (1156, 70427), (2023, 40244), (4046, 20122), (8092, 10061)]