1396409875

素因数分解:

$5^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{8101}}^1$

素因数の和:8320

約数の個数: 32

約数和(自身を含む): 2002036608

約数和(自身を除く): 605626733

約数列:

[1, 5, 7, 25, 35, 125, 175, 197, 875, 985, 1379, 4925, 6895, 8101, 24625, 34475, 40505, 56707, 172375, 202525, 283535, 1012625, 1417675, 1595897, 7088375, 7979485, 11171279, 39897425, 55856395, 199487125, 279281975, 1396409875]

約数ペア:

[(1, 1396409875), (5, 279281975), (7, 199487125), (25, 55856395), (35, 39897425), (125, 11171279), (175, 7979485), (197, 7088375), (875, 1595897), (985, 1417675), (1379, 1012625), (4925, 283535), (6895, 202525), (8101, 172375), (24625, 56707), (34475, 40505)]