81386006

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:118

約数の個数: 72

約数和(自身を含む): 150601680

約数和(自身を除く): 69215674

約数列:

[1, 2, 13, 19, 23, 26, 29, 38, 46, 58, 169, 247, 299, 338, 361, 377, 437, 494, 551, 598, 667, 722, 754, 874, 1102, 1334, 3211, 3887, 4693, 4901, 5681, 6422, 7163, 7774, 8303, 8671, 9386, 9802, 10469, 11362, 12673, 14326, 16606, 17342, 20938, 25346, 61009, 73853, 93119, 107939, 112723, 122018, 136097, 147706, 164749, 186238, 215878, 225446, 240787, 272194, 329498, 481574, 1403207, 1769261, 2141737, 2806414, 3130231, 3538522, 4283474, 6260462, 40693003, 81386006]

約数ペア:

[(1, 81386006), (2, 40693003), (13, 6260462), (19, 4283474), (23, 3538522), (26, 3130231), (29, 2806414), (38, 2141737), (46, 1769261), (58, 1403207), (169, 481574), (247, 329498), (299, 272194), (338, 240787), (361, 225446), (377, 215878), (437, 186238), (494, 164749), (551, 147706), (598, 136097), (667, 122018), (722, 112723), (754, 107939), (874, 93119), (1102, 73853), (1334, 61009), (3211, 25346), (3887, 20938), (4693, 17342), (4901, 16606), (5681, 14326), (6422, 12673), (7163, 11362), (7774, 10469), (8303, 9802), (8671, 9386)]