398275668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1580459}}^1$

素因数の和:1580476

約数の個数: 36

約数和(自身を含む): 1150574880

約数和(自身を除く): 752299212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1580459, 3160918, 4741377, 6321836, 9482754, 11063213, 14224131, 18965508, 22126426, 28448262, 33189639, 44252852, 56896524, 66379278, 99568917, 132758556, 199137834, 398275668]

約数ペア:

[(1, 398275668), (2, 199137834), (3, 132758556), (4, 99568917), (6, 66379278), (7, 56896524), (9, 44252852), (12, 33189639), (14, 28448262), (18, 22126426), (21, 18965508), (28, 14224131), (36, 11063213), (42, 9482754), (63, 6321836), (84, 4741377), (126, 3160918), (252, 1580459)]