28991376

素因数分解:

$2^4\times 3^2\times {\mathrm{201329}}^1$

素因数の和:201343

約数の個数: 30

約数和(自身を含む): 81135990

約数和(自身を除く): 52144614

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 201329, 402658, 603987, 805316, 1207974, 1610632, 1811961, 2415948, 3221264, 3623922, 4831896, 7247844, 9663792, 14495688, 28991376]

約数ペア:

[(1, 28991376), (2, 14495688), (3, 9663792), (4, 7247844), (6, 4831896), (8, 3623922), (9, 3221264), (12, 2415948), (16, 1811961), (18, 1610632), (24, 1207974), (36, 805316), (48, 603987), (72, 402658), (144, 201329)]