989819154

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{6763}}^1$

素因数の和:6991

約数の個数: 48

約数和(自身を含む): 2203224192

約数和(自身を除く): 1213405038

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 173, 282, 346, 423, 519, 846, 1038, 1557, 3114, 6763, 8131, 13526, 16262, 20289, 24393, 40578, 48786, 60867, 73179, 121734, 146358, 317861, 635722, 953583, 1169999, 1907166, 2339998, 2860749, 3509997, 5721498, 7019994, 10529991, 21059982, 54989953, 109979906, 164969859, 329939718, 494909577, 989819154]

約数ペア:

[(1, 989819154), (2, 494909577), (3, 329939718), (6, 164969859), (9, 109979906), (18, 54989953), (47, 21059982), (94, 10529991), (141, 7019994), (173, 5721498), (282, 3509997), (346, 2860749), (423, 2339998), (519, 1907166), (846, 1169999), (1038, 953583), (1557, 635722), (3114, 317861), (6763, 146358), (8131, 121734), (13526, 73179), (16262, 60867), (20289, 48786), (24393, 40578)]