191731386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1861}}^1$

素因数の和:2107

約数の個数: 64

約数和(自身を含む): 480485376

約数和(自身を除く): 288753990

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 223, 231, 446, 462, 669, 1338, 1561, 1861, 2453, 3122, 3722, 4683, 4906, 5583, 7359, 9366, 11166, 13027, 14718, 17171, 20471, 26054, 34342, 39081, 40942, 51513, 61413, 78162, 103026, 122826, 143297, 286594, 415003, 429891, 830006, 859782, 1245009, 2490018, 2905021, 4565033, 5810042, 8715063, 9130066, 13695099, 17430126, 27390198, 31955231, 63910462, 95865693, 191731386]

約数ペア:

[(1, 191731386), (2, 95865693), (3, 63910462), (6, 31955231), (7, 27390198), (11, 17430126), (14, 13695099), (21, 9130066), (22, 8715063), (33, 5810042), (42, 4565033), (66, 2905021), (77, 2490018), (154, 1245009), (223, 859782), (231, 830006), (446, 429891), (462, 415003), (669, 286594), (1338, 143297), (1561, 122826), (1861, 103026), (2453, 78162), (3122, 61413), (3722, 51513), (4683, 40942), (4906, 39081), (5583, 34342), (7359, 26054), (9366, 20471), (11166, 17171), (13027, 14718)]