77881468

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 160876800

約数和(自身を除く): 82995332

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 179, 287, 358, 379, 574, 716, 758, 1148, 1253, 1516, 2506, 2653, 5012, 5306, 7339, 10612, 14678, 15539, 29356, 31078, 51373, 62156, 67841, 102746, 108773, 135682, 205492, 217546, 271364, 435092, 474887, 949774, 1899548, 2781481, 5562962, 11125924, 19470367, 38940734, 77881468]

約数ペア:

[(1, 77881468), (2, 38940734), (4, 19470367), (7, 11125924), (14, 5562962), (28, 2781481), (41, 1899548), (82, 949774), (164, 474887), (179, 435092), (287, 271364), (358, 217546), (379, 205492), (574, 135682), (716, 108773), (758, 102746), (1148, 67841), (1253, 62156), (1516, 51373), (2506, 31078), (2653, 29356), (5012, 15539), (5306, 14678), (7339, 10612)]