256317516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78241}}^1$

素因数の和:78271

約数の個数: 72

約数和(自身を含む): 797442464

約数和(自身を除く): 541124948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 78241, 156482, 234723, 312964, 469446, 547687, 704169, 938892, 1017133, 1095374, 1408338, 1643061, 2034266, 2190748, 2816676, 3051399, 3286122, 4068532, 4929183, 6102798, 6572244, 7119931, 9154197, 9858366, 12205596, 14239862, 18308394, 19716732, 21359793, 28479724, 36616788, 42719586, 64079379, 85439172, 128158758, 256317516]

約数ペア:

[(1, 256317516), (2, 128158758), (3, 85439172), (4, 64079379), (6, 42719586), (7, 36616788), (9, 28479724), (12, 21359793), (13, 19716732), (14, 18308394), (18, 14239862), (21, 12205596), (26, 9858366), (28, 9154197), (36, 7119931), (39, 6572244), (42, 6102798), (52, 4929183), (63, 4068532), (78, 3286122), (84, 3051399), (91, 2816676), (117, 2190748), (126, 2034266), (156, 1643061), (182, 1408338), (234, 1095374), (252, 1017133), (273, 938892), (364, 704169), (468, 547687), (546, 469446), (819, 312964), (1092, 234723), (1638, 156482), (3276, 78241)]