7885963985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{18521}}^1$

素因数の和:18665

約数の個数: 32

約数和(自身を含む): 10156575744

約数和(自身を除く): 2270611759

約数列:

[1, 5, 31, 41, 67, 155, 205, 335, 1271, 2077, 2747, 6355, 10385, 13735, 18521, 85157, 92605, 425785, 574151, 759361, 1240907, 2870755, 3796805, 6204535, 23540191, 38468117, 50877187, 117700955, 192340585, 254385935, 1577192797, 7885963985]

約数ペア:

[(1, 7885963985), (5, 1577192797), (31, 254385935), (41, 192340585), (67, 117700955), (155, 50877187), (205, 38468117), (335, 23540191), (1271, 6204535), (2077, 3796805), (2747, 2870755), (6355, 1240907), (10385, 759361), (13735, 574151), (18521, 425785), (85157, 92605)]