81577524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20663}}^1$

素因数の和:20724

約数の個数: 48

約数和(自身を含む): 222179328

約数和(自身を除く): 140601804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 20663, 41326, 61989, 82652, 123978, 144641, 247956, 289282, 433923, 578564, 867846, 971161, 1735692, 1942322, 2913483, 3884644, 5826966, 6798127, 11653932, 13596254, 20394381, 27192508, 40788762, 81577524]

約数ペア:

[(1, 81577524), (2, 40788762), (3, 27192508), (4, 20394381), (6, 13596254), (7, 11653932), (12, 6798127), (14, 5826966), (21, 3884644), (28, 2913483), (42, 1942322), (47, 1735692), (84, 971161), (94, 867846), (141, 578564), (188, 433923), (282, 289282), (329, 247956), (564, 144641), (658, 123978), (987, 82652), (1316, 61989), (1974, 41326), (3948, 20663)]