198035404

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2371}}^1$

素因数の和:2558

約数の個数: 48

約数和(自身を含む): 419749120

約数和(自身を除く): 221713716

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 157, 266, 314, 532, 628, 1099, 2198, 2371, 2983, 4396, 4742, 5966, 9484, 11932, 16597, 20881, 33194, 41762, 45049, 66388, 83524, 90098, 180196, 315343, 372247, 630686, 744494, 1261372, 1488988, 2605729, 5211458, 7072693, 10422916, 14145386, 28290772, 49508851, 99017702, 198035404]

約数ペア:

[(1, 198035404), (2, 99017702), (4, 49508851), (7, 28290772), (14, 14145386), (19, 10422916), (28, 7072693), (38, 5211458), (76, 2605729), (133, 1488988), (157, 1261372), (266, 744494), (314, 630686), (532, 372247), (628, 315343), (1099, 180196), (2198, 90098), (2371, 83524), (2983, 66388), (4396, 45049), (4742, 41762), (5966, 33194), (9484, 20881), (11932, 16597)]