20171516428

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{279121}}^1$

素因数の和:279250

約数の個数: 48

約数和(自身を含む): 42203246400

約数和(自身を除く): 22031729972

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 89, 116, 178, 203, 356, 406, 623, 812, 1246, 2492, 2581, 5162, 10324, 18067, 36134, 72268, 279121, 558242, 1116484, 1953847, 3907694, 7815388, 8094509, 16189018, 24841769, 32378036, 49683538, 56661563, 99367076, 113323126, 173892383, 226646252, 347784766, 695569532, 720411301, 1440822602, 2881645204, 5042879107, 10085758214, 20171516428]

約数ペア:

[(1, 20171516428), (2, 10085758214), (4, 5042879107), (7, 2881645204), (14, 1440822602), (28, 720411301), (29, 695569532), (58, 347784766), (89, 226646252), (116, 173892383), (178, 113323126), (203, 99367076), (356, 56661563), (406, 49683538), (623, 32378036), (812, 24841769), (1246, 16189018), (2492, 8094509), (2581, 7815388), (5162, 3907694), (10324, 1953847), (18067, 1116484), (36134, 558242), (72268, 279121)]