199957786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1531}}^1$

素因数の和:2050

約数の個数: 32

約数和(自身を含む): 361797120

約数和(自身を除く): 161839334

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 491, 982, 1531, 3062, 3437, 6874, 9329, 10717, 18658, 21434, 29089, 58178, 65303, 130606, 203623, 407246, 751721, 1503442, 5262047, 10524094, 14282699, 28565398, 99978893, 199957786]

約数ペア:

[(1, 199957786), (2, 99978893), (7, 28565398), (14, 14282699), (19, 10524094), (38, 5262047), (133, 1503442), (266, 751721), (491, 407246), (982, 203623), (1531, 130606), (3062, 65303), (3437, 58178), (6874, 29089), (9329, 21434), (10717, 18658)]