187816255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 274803840

約数和(自身を除く): 86987585

約数列:

[1, 5, 11, 17, 37, 55, 61, 85, 89, 185, 187, 305, 407, 445, 629, 671, 935, 979, 1037, 1513, 2035, 2257, 3145, 3293, 3355, 4895, 5185, 5429, 6919, 7565, 11285, 11407, 16465, 16643, 24827, 27145, 34595, 36223, 38369, 55981, 57035, 59719, 83215, 92293, 124135, 181115, 191845, 200873, 279905, 298595, 422059, 461465, 615791, 1004365, 1015223, 2110295, 2209603, 3078955, 3414841, 5076115, 11048015, 17074205, 37563251, 187816255]

約数ペア:

[(1, 187816255), (5, 37563251), (11, 17074205), (17, 11048015), (37, 5076115), (55, 3414841), (61, 3078955), (85, 2209603), (89, 2110295), (185, 1015223), (187, 1004365), (305, 615791), (407, 461465), (445, 422059), (629, 298595), (671, 279905), (935, 200873), (979, 191845), (1037, 181115), (1513, 124135), (2035, 92293), (2257, 83215), (3145, 59719), (3293, 57035), (3355, 55981), (4895, 38369), (5185, 36223), (5429, 34595), (6919, 27145), (7565, 24827), (11285, 16643), (11407, 16465)]