81443484

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 214643520

約数和(自身を除く): 133200036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 181, 261, 348, 362, 431, 522, 543, 724, 862, 1044, 1086, 1293, 1629, 1724, 2172, 2586, 3258, 3879, 5172, 5249, 6516, 7758, 10498, 12499, 15516, 15747, 20996, 24998, 31494, 37497, 47241, 49996, 62988, 74994, 78011, 94482, 112491, 149988, 156022, 188964, 224982, 234033, 312044, 449964, 468066, 702099, 936132, 1404198, 2262319, 2808396, 4524638, 6786957, 9049276, 13573914, 20360871, 27147828, 40721742, 81443484]

約数ペア:

[(1, 81443484), (2, 40721742), (3, 27147828), (4, 20360871), (6, 13573914), (9, 9049276), (12, 6786957), (18, 4524638), (29, 2808396), (36, 2262319), (58, 1404198), (87, 936132), (116, 702099), (174, 468066), (181, 449964), (261, 312044), (348, 234033), (362, 224982), (431, 188964), (522, 156022), (543, 149988), (724, 112491), (862, 94482), (1044, 78011), (1086, 74994), (1293, 62988), (1629, 49996), (1724, 47241), (2172, 37497), (2586, 31494), (3258, 24998), (3879, 20996), (5172, 15747), (5249, 15516), (6516, 12499), (7758, 10498)]