2019384017

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 2410721280

約数和(自身を除く): 391337263

約数列:

[1, 7, 43, 79, 163, 301, 521, 553, 1141, 3397, 3647, 7009, 12877, 22403, 23779, 41159, 49063, 84923, 90139, 156821, 288113, 553711, 594461, 1769837, 3651689, 3875977, 6708917, 12388859, 25561823, 46962419, 288483431, 2019384017]

約数ペア:

[(1, 2019384017), (7, 288483431), (43, 46962419), (79, 25561823), (163, 12388859), (301, 6708917), (521, 3875977), (553, 3651689), (1141, 1769837), (3397, 594461), (3647, 553711), (7009, 288113), (12877, 156821), (22403, 90139), (23779, 84923), (41159, 49063)]