318781278

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1979}}^1$

素因数の和:2166

約数の個数: 64

約数和(自身を含む): 750816000

約数和(自身を除く): 432034722

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 157, 171, 314, 342, 471, 513, 942, 1026, 1413, 1979, 2826, 2983, 3958, 4239, 5937, 5966, 8478, 8949, 11874, 17811, 17898, 26847, 35622, 37601, 53433, 53694, 75202, 80541, 106866, 112803, 161082, 225606, 310703, 338409, 621406, 676818, 932109, 1015227, 1864218, 2030454, 2796327, 5592654, 5903357, 8388981, 11806714, 16777962, 17710071, 35420142, 53130213, 106260426, 159390639, 318781278]

約数ペア:

[(1, 318781278), (2, 159390639), (3, 106260426), (6, 53130213), (9, 35420142), (18, 17710071), (19, 16777962), (27, 11806714), (38, 8388981), (54, 5903357), (57, 5592654), (114, 2796327), (157, 2030454), (171, 1864218), (314, 1015227), (342, 932109), (471, 676818), (513, 621406), (942, 338409), (1026, 310703), (1413, 225606), (1979, 161082), (2826, 112803), (2983, 106866), (3958, 80541), (4239, 75202), (5937, 53694), (5966, 53433), (8478, 37601), (8949, 35622), (11874, 26847), (17811, 17898)]