407672785

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 556554240

約数和(自身を除く): 148881455

約数列:

[1, 5, 13, 31, 65, 79, 155, 169, 197, 395, 403, 845, 985, 1027, 2015, 2449, 2561, 5135, 5239, 6107, 12245, 12805, 13351, 15563, 26195, 30535, 31837, 33293, 66755, 77815, 79391, 159185, 166465, 202319, 396955, 413881, 482453, 1011595, 1032083, 2069405, 2412265, 2630147, 5160415, 6271889, 13150735, 31359445, 81534557, 407672785]

約数ペア:

[(1, 407672785), (5, 81534557), (13, 31359445), (31, 13150735), (65, 6271889), (79, 5160415), (155, 2630147), (169, 2412265), (197, 2069405), (395, 1032083), (403, 1011595), (845, 482453), (985, 413881), (1027, 396955), (2015, 202319), (2449, 166465), (2561, 159185), (5135, 79391), (5239, 77815), (6107, 66755), (12245, 33293), (12805, 31837), (13351, 30535), (15563, 26195)]