171662128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 380547072

約数和(自身を除く): 208884944

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 73, 88, 124, 146, 176, 248, 292, 341, 431, 496, 584, 682, 803, 862, 1168, 1364, 1606, 1724, 2263, 2728, 3212, 3448, 4526, 4741, 5456, 6424, 6896, 9052, 9482, 12848, 13361, 18104, 18964, 24893, 26722, 31463, 36208, 37928, 49786, 53444, 62926, 75856, 99572, 106888, 125852, 146971, 199144, 213776, 251704, 293942, 346093, 398288, 503408, 587884, 692186, 975353, 1175768, 1384372, 1950706, 2351536, 2768744, 3901412, 5537488, 7802824, 10728883, 15605648, 21457766, 42915532, 85831064, 171662128]

約数ペア:

[(1, 171662128), (2, 85831064), (4, 42915532), (8, 21457766), (11, 15605648), (16, 10728883), (22, 7802824), (31, 5537488), (44, 3901412), (62, 2768744), (73, 2351536), (88, 1950706), (124, 1384372), (146, 1175768), (176, 975353), (248, 692186), (292, 587884), (341, 503408), (431, 398288), (496, 346093), (584, 293942), (682, 251704), (803, 213776), (862, 199144), (1168, 146971), (1364, 125852), (1606, 106888), (1724, 99572), (2263, 75856), (2728, 62926), (3212, 53444), (3448, 49786), (4526, 37928), (4741, 36208), (5456, 31463), (6424, 26722), (6896, 24893), (9052, 18964), (9482, 18104), (12848, 13361)]