128434209

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 182476800

約数和(自身を除く): 54042591

約数列:

[1, 3, 31, 59, 89, 93, 177, 263, 267, 789, 1829, 2759, 5251, 5487, 8153, 8277, 15517, 15753, 23407, 24459, 46551, 70221, 162781, 481027, 488343, 725617, 1381013, 1443081, 2176851, 4143039, 42811403, 128434209]

約数ペア:

[(1, 128434209), (3, 42811403), (31, 4143039), (59, 2176851), (89, 1443081), (93, 1381013), (177, 725617), (263, 488343), (267, 481027), (789, 162781), (1829, 70221), (2759, 46551), (5251, 24459), (5487, 23407), (8153, 15753), (8277, 15517)]