128406348

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{509549}}^1$

素因数の和:509566

約数の個数: 36

約数和(自身を含む): 370952400

約数和(自身を除く): 242546052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 509549, 1019098, 1528647, 2038196, 3057294, 3566843, 4585941, 6114588, 7133686, 9171882, 10700529, 14267372, 18343764, 21401058, 32101587, 42802116, 64203174, 128406348]

約数ペア:

[(1, 128406348), (2, 64203174), (3, 42802116), (4, 32101587), (6, 21401058), (7, 18343764), (9, 14267372), (12, 10700529), (14, 9171882), (18, 7133686), (21, 6114588), (28, 4585941), (36, 3566843), (42, 3057294), (63, 2038196), (84, 1528647), (126, 1019098), (252, 509549)]