20131470065

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1\times {\mathrm{571}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 28782673920

約数和(自身を除く): 8651203855

約数列:

[1, 5, 7, 35, 41, 79, 205, 287, 311, 395, 553, 571, 1435, 1555, 2177, 2765, 2855, 3239, 3997, 10885, 12751, 16195, 19985, 22673, 23411, 24569, 45109, 63755, 89257, 113365, 117055, 122845, 163877, 171983, 177581, 225545, 315763, 446285, 819385, 859915, 887905, 1007329, 1243067, 1578815, 1849469, 5036645, 6215335, 7051303, 7280821, 9247345, 12946283, 14028899, 35256515, 36404105, 50965747, 64731415, 70144495, 98202293, 254828735, 491011465, 575184859, 2875924295, 4026294013, 20131470065]

約数ペア:

[(1, 20131470065), (5, 4026294013), (7, 2875924295), (35, 575184859), (41, 491011465), (79, 254828735), (205, 98202293), (287, 70144495), (311, 64731415), (395, 50965747), (553, 36404105), (571, 35256515), (1435, 14028899), (1555, 12946283), (2177, 9247345), (2765, 7280821), (2855, 7051303), (3239, 6215335), (3997, 5036645), (10885, 1849469), (12751, 1578815), (16195, 1243067), (19985, 1007329), (22673, 887905), (23411, 859915), (24569, 819385), (45109, 446285), (63755, 315763), (89257, 225545), (113365, 177581), (117055, 171983), (122845, 163877)]