647339238

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{395201}}^1$

素因数の和:395229

約数の個数: 48

約数和(自身を含む): 1726242336

約数和(自身を除く): 1078903098

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 395201, 790402, 1185603, 2371206, 2766407, 3556809, 5137613, 5532814, 7113618, 8299221, 10275226, 15412839, 16598442, 24897663, 30825678, 35963291, 46238517, 49795326, 71926582, 92477034, 107889873, 215779746, 323669619, 647339238]

約数ペア:

[(1, 647339238), (2, 323669619), (3, 215779746), (6, 107889873), (7, 92477034), (9, 71926582), (13, 49795326), (14, 46238517), (18, 35963291), (21, 30825678), (26, 24897663), (39, 16598442), (42, 15412839), (63, 10275226), (78, 8299221), (91, 7113618), (117, 5532814), (126, 5137613), (182, 3556809), (234, 2766407), (273, 2371206), (546, 1185603), (819, 790402), (1638, 395201)]