138730788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{550519}}^1$

素因数の和:550536

約数の個数: 36

約数和(自身を含む): 400778560

約数和(自身を除く): 262047772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 550519, 1101038, 1651557, 2202076, 3303114, 3853633, 4954671, 6606228, 7707266, 9909342, 11560899, 15414532, 19818684, 23121798, 34682697, 46243596, 69365394, 138730788]

約数ペア:

[(1, 138730788), (2, 69365394), (3, 46243596), (4, 34682697), (6, 23121798), (7, 19818684), (9, 15414532), (12, 11560899), (14, 9909342), (18, 7707266), (21, 6606228), (28, 4954671), (36, 3853633), (42, 3303114), (63, 2202076), (84, 1651557), (126, 1101038), (252, 550519)]