331406140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{2753}}^1$

素因数の和:3238

約数の個数: 48

約数和(自身を含む): 751379328

約数和(自身を除く): 419973188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 463, 926, 1852, 2315, 2753, 4630, 5506, 6019, 9260, 11012, 12038, 13765, 24076, 27530, 30095, 35789, 55060, 60190, 71578, 120380, 143156, 178945, 357890, 715780, 1274639, 2549278, 5098556, 6373195, 12746390, 16570307, 25492780, 33140614, 66281228, 82851535, 165703070, 331406140]

約数ペア:

[(1, 331406140), (2, 165703070), (4, 82851535), (5, 66281228), (10, 33140614), (13, 25492780), (20, 16570307), (26, 12746390), (52, 6373195), (65, 5098556), (130, 2549278), (260, 1274639), (463, 715780), (926, 357890), (1852, 178945), (2315, 143156), (2753, 120380), (4630, 71578), (5506, 60190), (6019, 55060), (9260, 35789), (11012, 30095), (12038, 27530), (13765, 24076)]