164885776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 367976448

約数和(自身を除く): 203090672

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 47, 62, 88, 94, 124, 176, 188, 248, 341, 376, 496, 517, 643, 682, 752, 1034, 1286, 1364, 1457, 2068, 2572, 2728, 2914, 4136, 5144, 5456, 5828, 7073, 8272, 10288, 11656, 14146, 16027, 19933, 23312, 28292, 30221, 32054, 39866, 56584, 60442, 64108, 79732, 113168, 120884, 128216, 159464, 219263, 241768, 256432, 318928, 332431, 438526, 483536, 664862, 877052, 936851, 1329724, 1754104, 1873702, 2659448, 3508208, 3747404, 5318896, 7494808, 10305361, 14989616, 20610722, 41221444, 82442888, 164885776]

約数ペア:

[(1, 164885776), (2, 82442888), (4, 41221444), (8, 20610722), (11, 14989616), (16, 10305361), (22, 7494808), (31, 5318896), (44, 3747404), (47, 3508208), (62, 2659448), (88, 1873702), (94, 1754104), (124, 1329724), (176, 936851), (188, 877052), (248, 664862), (341, 483536), (376, 438526), (496, 332431), (517, 318928), (643, 256432), (682, 241768), (752, 219263), (1034, 159464), (1286, 128216), (1364, 120884), (1457, 113168), (2068, 79732), (2572, 64108), (2728, 60442), (2914, 56584), (4136, 39866), (5144, 32054), (5456, 30221), (5828, 28292), (7073, 23312), (8272, 19933), (10288, 16027), (11656, 14146)]