87274590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223781}}^1$

素因数の和:223804

約数の個数: 32

約数和(自身を含む): 225572256

約数和(自身を除く): 138297666

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 223781, 447562, 671343, 1118905, 1342686, 2237810, 2909153, 3356715, 5818306, 6713430, 8727459, 14545765, 17454918, 29091530, 43637295, 87274590]

約数ペア:

[(1, 87274590), (2, 43637295), (3, 29091530), (5, 17454918), (6, 14545765), (10, 8727459), (13, 6713430), (15, 5818306), (26, 3356715), (30, 2909153), (39, 2237810), (65, 1342686), (78, 1118905), (130, 671343), (195, 447562), (390, 223781)]