83907971

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 111993600

約数和(自身を除く): 28085629

約数列:

[1, 7, 17, 19, 37, 59, 119, 133, 259, 289, 323, 413, 629, 703, 1003, 1121, 2023, 2183, 2261, 4403, 4921, 5491, 7021, 7847, 10693, 11951, 15281, 17051, 19057, 37111, 38437, 41477, 74851, 83657, 119357, 133399, 203167, 259777, 290339, 323969, 630887, 705109, 1422169, 2267783, 4416209, 4935763, 11986853, 83907971]

約数ペア:

[(1, 83907971), (7, 11986853), (17, 4935763), (19, 4416209), (37, 2267783), (59, 1422169), (119, 705109), (133, 630887), (259, 323969), (289, 290339), (323, 259777), (413, 203167), (629, 133399), (703, 119357), (1003, 83657), (1121, 74851), (2023, 41477), (2183, 38437), (2261, 37111), (4403, 19057), (4921, 17051), (5491, 15281), (7021, 11951), (7847, 10693)]