15678880197

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1\times {\mathrm{313}}^1\times {\mathrm{397}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 21247239552

約数和(自身を除く): 5568359355

約数列:

[1, 3, 137, 307, 313, 397, 411, 921, 939, 1191, 42059, 42881, 54389, 96091, 121879, 124261, 126177, 128643, 163167, 288273, 365637, 372783, 13164467, 16697423, 17023757, 38148127, 39493401, 50092269, 51071271, 114444381, 5226293399, 15678880197]

約数ペア:

[(1, 15678880197), (3, 5226293399), (137, 114444381), (307, 51071271), (313, 50092269), (397, 39493401), (411, 38148127), (921, 17023757), (939, 16697423), (1191, 13164467), (42059, 372783), (42881, 365637), (54389, 288273), (96091, 163167), (121879, 128643), (124261, 126177)]