218226736

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2210

約数の個数: 80

約数和(自身を含む): 527966208

約数和(自身を除く): 309739472

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 284, 364, 497, 568, 728, 923, 994, 1136, 1456, 1846, 1988, 2111, 3692, 3976, 4222, 6461, 7384, 7952, 8444, 12922, 14768, 14777, 16888, 25844, 27443, 29554, 33776, 51688, 54886, 59108, 103376, 109772, 118216, 149881, 192101, 219544, 236432, 299762, 384202, 439088, 599524, 768404, 1049167, 1199048, 1536808, 1948453, 2098334, 2398096, 3073616, 3896906, 4196668, 7793812, 8393336, 13639171, 15587624, 16786672, 27278342, 31175248, 54556684, 109113368, 218226736]

約数ペア:

[(1, 218226736), (2, 109113368), (4, 54556684), (7, 31175248), (8, 27278342), (13, 16786672), (14, 15587624), (16, 13639171), (26, 8393336), (28, 7793812), (52, 4196668), (56, 3896906), (71, 3073616), (91, 2398096), (104, 2098334), (112, 1948453), (142, 1536808), (182, 1199048), (208, 1049167), (284, 768404), (364, 599524), (497, 439088), (568, 384202), (728, 299762), (923, 236432), (994, 219544), (1136, 192101), (1456, 149881), (1846, 118216), (1988, 109772), (2111, 103376), (3692, 59108), (3976, 54886), (4222, 51688), (6461, 33776), (7384, 29554), (7952, 27443), (8444, 25844), (12922, 16888), (14768, 14777)]