80905914

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1307}}^1$

素因数の和:1515

約数の個数: 48

約数和(自身を含む): 185683680

約数和(自身を除く): 104777766

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 181, 342, 362, 543, 1086, 1307, 1629, 2614, 3258, 3439, 3921, 6878, 7842, 10317, 11763, 20634, 23526, 24833, 30951, 49666, 61902, 74499, 148998, 223497, 236567, 446994, 473134, 709701, 1419402, 2129103, 4258206, 4494773, 8989546, 13484319, 26968638, 40452957, 80905914]

約数ペア:

[(1, 80905914), (2, 40452957), (3, 26968638), (6, 13484319), (9, 8989546), (18, 4494773), (19, 4258206), (38, 2129103), (57, 1419402), (114, 709701), (171, 473134), (181, 446994), (342, 236567), (362, 223497), (543, 148998), (1086, 74499), (1307, 61902), (1629, 49666), (2614, 30951), (3258, 24833), (3439, 23526), (3921, 20634), (6878, 11763), (7842, 10317)]