399682808

素因数分解:

$2^3\times 7^3\times {\mathrm{113}}^1\times {\mathrm{1289}}^1$

素因数の和:1429

約数の個数: 64

約数和(自身を含む): 882360000

約数和(自身を除く): 482677192

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 113, 196, 226, 343, 392, 452, 686, 791, 904, 1289, 1372, 1582, 2578, 2744, 3164, 5156, 5537, 6328, 9023, 10312, 11074, 18046, 22148, 36092, 38759, 44296, 63161, 72184, 77518, 126322, 145657, 155036, 252644, 291314, 310072, 442127, 505288, 582628, 884254, 1019599, 1165256, 1768508, 2039198, 3537016, 4078396, 7137193, 8156792, 14274386, 28548772, 49960351, 57097544, 99920702, 199841404, 399682808]

約数ペア:

[(1, 399682808), (2, 199841404), (4, 99920702), (7, 57097544), (8, 49960351), (14, 28548772), (28, 14274386), (49, 8156792), (56, 7137193), (98, 4078396), (113, 3537016), (196, 2039198), (226, 1768508), (343, 1165256), (392, 1019599), (452, 884254), (686, 582628), (791, 505288), (904, 442127), (1289, 310072), (1372, 291314), (1582, 252644), (2578, 155036), (2744, 145657), (3164, 126322), (5156, 77518), (5537, 72184), (6328, 63161), (9023, 44296), (10312, 38759), (11074, 36092), (18046, 22148)]