83721715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 128931264

約数和(自身を除く): 45209549

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 121, 265, 371, 373, 385, 583, 605, 847, 1855, 1865, 2611, 2915, 4081, 4103, 4235, 6413, 13055, 19769, 20405, 20515, 28721, 32065, 44891, 45133, 98845, 138383, 143605, 217459, 224455, 225665, 315931, 691915, 1087295, 1522213, 1579655, 2392049, 7611065, 11960245, 16744343, 83721715]

約数ペア:

[(1, 83721715), (5, 16744343), (7, 11960245), (11, 7611065), (35, 2392049), (53, 1579655), (55, 1522213), (77, 1087295), (121, 691915), (265, 315931), (371, 225665), (373, 224455), (385, 217459), (583, 143605), (605, 138383), (847, 98845), (1855, 45133), (1865, 44891), (2611, 32065), (2915, 28721), (4081, 20515), (4103, 20405), (4235, 19769), (6413, 13055)]