78694590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{201781}}^1$

素因数の和:201804

約数の個数: 32

約数和(自身を含む): 203396256

約数和(自身を除く): 124701666

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 201781, 403562, 605343, 1008905, 1210686, 2017810, 2623153, 3026715, 5246306, 6053430, 7869459, 13115765, 15738918, 26231530, 39347295, 78694590]

約数ペア:

[(1, 78694590), (2, 39347295), (3, 26231530), (5, 15738918), (6, 13115765), (10, 7869459), (13, 6053430), (15, 5246306), (26, 3026715), (30, 2623153), (39, 2017810), (65, 1210686), (78, 1008905), (130, 605343), (195, 403562), (390, 201781)]