78141965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 115568640

約数和(自身を除く): 37426675

約数列:

[1, 5, 11, 19, 37, 43, 47, 55, 95, 185, 209, 215, 235, 407, 473, 517, 703, 817, 893, 1045, 1591, 1739, 2021, 2035, 2365, 2585, 3515, 4085, 4465, 7733, 7955, 8695, 8987, 9823, 10105, 17501, 19129, 22231, 30229, 33041, 38399, 38665, 44935, 49115, 74777, 87505, 95645, 111155, 151145, 165205, 191995, 332519, 363451, 373885, 422389, 822547, 1420763, 1662595, 1817255, 2111945, 4112735, 7103815, 15628393, 78141965]

約数ペア:

[(1, 78141965), (5, 15628393), (11, 7103815), (19, 4112735), (37, 2111945), (43, 1817255), (47, 1662595), (55, 1420763), (95, 822547), (185, 422389), (209, 373885), (215, 363451), (235, 332519), (407, 191995), (473, 165205), (517, 151145), (703, 111155), (817, 95645), (893, 87505), (1045, 74777), (1591, 49115), (1739, 44935), (2021, 38665), (2035, 38399), (2365, 33041), (2585, 30229), (3515, 22231), (4085, 19129), (4465, 17501), (7733, 10105), (7955, 9823), (8695, 8987)]