218450676

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{997}}^1$

素因数の和:1085

約数の個数: 72

約数和(自身を含む): 554967840

約数和(自身を除く): 336517164

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 186, 228, 372, 589, 961, 997, 1178, 1767, 1922, 1994, 2356, 2883, 2991, 3534, 3844, 3988, 5766, 5982, 7068, 11532, 11964, 18259, 18943, 30907, 36518, 37886, 54777, 56829, 61814, 73036, 75772, 92721, 109554, 113658, 123628, 185442, 219108, 227316, 370884, 587233, 958117, 1174466, 1761699, 1916234, 2348932, 2874351, 3523398, 3832468, 5748702, 7046796, 11497404, 18204223, 36408446, 54612669, 72816892, 109225338, 218450676]

約数ペア:

[(1, 218450676), (2, 109225338), (3, 72816892), (4, 54612669), (6, 36408446), (12, 18204223), (19, 11497404), (31, 7046796), (38, 5748702), (57, 3832468), (62, 3523398), (76, 2874351), (93, 2348932), (114, 1916234), (124, 1761699), (186, 1174466), (228, 958117), (372, 587233), (589, 370884), (961, 227316), (997, 219108), (1178, 185442), (1767, 123628), (1922, 113658), (1994, 109554), (2356, 92721), (2883, 75772), (2991, 73036), (3534, 61814), (3844, 56829), (3988, 54777), (5766, 37886), (5982, 36518), (7068, 30907), (11532, 18943), (11964, 18259)]