28064862

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{617}}^1$

素因数の和:670

約数の個数: 72

約数和(自身を含む): 73462896

約数和(自身を除く): 45398034

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 361, 399, 617, 722, 798, 1083, 1197, 1234, 1851, 2166, 2394, 2527, 3249, 3702, 4319, 5054, 5553, 6498, 7581, 8638, 11106, 11723, 12957, 15162, 22743, 23446, 25914, 35169, 38871, 45486, 70338, 77742, 82061, 105507, 164122, 211014, 222737, 246183, 445474, 492366, 668211, 738549, 1336422, 1477098, 1559159, 2004633, 3118318, 4009266, 4677477, 9354954, 14032431, 28064862]

約数ペア:

[(1, 28064862), (2, 14032431), (3, 9354954), (6, 4677477), (7, 4009266), (9, 3118318), (14, 2004633), (18, 1559159), (19, 1477098), (21, 1336422), (38, 738549), (42, 668211), (57, 492366), (63, 445474), (114, 246183), (126, 222737), (133, 211014), (171, 164122), (266, 105507), (342, 82061), (361, 77742), (399, 70338), (617, 45486), (722, 38871), (798, 35169), (1083, 25914), (1197, 23446), (1234, 22743), (1851, 15162), (2166, 12957), (2394, 11723), (2527, 11106), (3249, 8638), (3702, 7581), (4319, 6498), (5054, 5553)]