248045215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4349}}^1$

素因数の和:4443

約数の個数: 32

約数和(自身を含む): 349531200

約数和(自身を除く): 101485985

約数列:

[1, 5, 11, 17, 55, 61, 85, 187, 305, 671, 935, 1037, 3355, 4349, 5185, 11407, 21745, 47839, 57035, 73933, 239195, 265289, 369665, 813263, 1326445, 2918179, 4066315, 4509913, 14590895, 22549565, 49609043, 248045215]

約数ペア:

[(1, 248045215), (5, 49609043), (11, 22549565), (17, 14590895), (55, 4509913), (61, 4066315), (85, 2918179), (187, 1326445), (305, 813263), (671, 369665), (935, 265289), (1037, 239195), (3355, 73933), (4349, 57035), (5185, 47839), (11407, 21745)]