72830401

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 91422720

約数和(自身を除く): 18592319

約数列:

[1, 7, 19, 47, 61, 133, 191, 329, 427, 893, 1159, 1337, 2867, 3629, 6251, 8113, 8977, 11651, 20069, 25403, 54473, 62839, 81557, 170563, 221369, 381311, 547597, 1193941, 1549583, 3833179, 10404343, 72830401]

約数ペア:

[(1, 72830401), (7, 10404343), (19, 3833179), (47, 1549583), (61, 1193941), (133, 547597), (191, 381311), (329, 221369), (427, 170563), (893, 81557), (1159, 62839), (1337, 54473), (2867, 25403), (3629, 20069), (6251, 11651), (8113, 8977)]