2638865390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1216067}}^1$

素因数の和:1216112

約数の個数: 32

約数和(自身を含む): 5603641344

約数和(自身を除く): 2964775954

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 1216067, 2432134, 6080335, 8512469, 12160670, 17024938, 37698077, 42562345, 75396154, 85124690, 188490385, 263886539, 376980770, 527773078, 1319432695, 2638865390]

約数ペア:

[(1, 2638865390), (2, 1319432695), (5, 527773078), (7, 376980770), (10, 263886539), (14, 188490385), (31, 85124690), (35, 75396154), (62, 42562345), (70, 37698077), (155, 17024938), (217, 12160670), (310, 8512469), (434, 6080335), (1085, 2432134), (2170, 1216067)]