218905812

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4481}}^1$

素因数の和:4573

約数の個数: 72

約数和(自身を含む): 587321280

約数和(自身を除く): 368415468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 59, 69, 92, 118, 138, 177, 207, 236, 276, 354, 414, 531, 708, 828, 1062, 1357, 2124, 2714, 4071, 4481, 5428, 8142, 8962, 12213, 13443, 16284, 17924, 24426, 26886, 40329, 48852, 53772, 80658, 103063, 161316, 206126, 264379, 309189, 412252, 528758, 618378, 793137, 927567, 1057516, 1236756, 1586274, 1855134, 2379411, 3172548, 3710268, 4758822, 6080717, 9517644, 12161434, 18242151, 24322868, 36484302, 54726453, 72968604, 109452906, 218905812]

約数ペア:

[(1, 218905812), (2, 109452906), (3, 72968604), (4, 54726453), (6, 36484302), (9, 24322868), (12, 18242151), (18, 12161434), (23, 9517644), (36, 6080717), (46, 4758822), (59, 3710268), (69, 3172548), (92, 2379411), (118, 1855134), (138, 1586274), (177, 1236756), (207, 1057516), (236, 927567), (276, 793137), (354, 618378), (414, 528758), (531, 412252), (708, 309189), (828, 264379), (1062, 206126), (1357, 161316), (2124, 103063), (2714, 80658), (4071, 53772), (4481, 48852), (5428, 40329), (8142, 26886), (8962, 24426), (12213, 17924), (13443, 16284)]