12965750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 28753920

約数和(自身を除く): 15788170

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 125, 155, 175, 217, 239, 250, 310, 350, 434, 478, 775, 875, 1085, 1195, 1550, 1673, 1750, 2170, 2390, 3346, 3875, 5425, 5975, 7409, 7750, 8365, 10850, 11950, 14818, 16730, 27125, 29875, 37045, 41825, 51863, 54250, 59750, 74090, 83650, 103726, 185225, 209125, 259315, 370450, 418250, 518630, 926125, 1296575, 1852250, 2593150, 6482875, 12965750]

約数ペア:

[(1, 12965750), (2, 6482875), (5, 2593150), (7, 1852250), (10, 1296575), (14, 926125), (25, 518630), (31, 418250), (35, 370450), (50, 259315), (62, 209125), (70, 185225), (125, 103726), (155, 83650), (175, 74090), (217, 59750), (239, 54250), (250, 51863), (310, 41825), (350, 37045), (434, 29875), (478, 27125), (775, 16730), (875, 14818), (1085, 11950), (1195, 10850), (1550, 8365), (1673, 7750), (1750, 7409), (2170, 5975), (2390, 5425), (3346, 3875)]