88639590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227281}}^1$

素因数の和:227304

約数の個数: 32

約数和(自身を含む): 229100256

約数和(自身を除く): 140460666

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 227281, 454562, 681843, 1136405, 1363686, 2272810, 2954653, 3409215, 5909306, 6818430, 8863959, 14773265, 17727918, 29546530, 44319795, 88639590]

約数ペア:

[(1, 88639590), (2, 44319795), (3, 29546530), (5, 17727918), (6, 14773265), (10, 8863959), (13, 6818430), (15, 5909306), (26, 3409215), (30, 2954653), (39, 2272810), (65, 1363686), (78, 1136405), (130, 681843), (195, 454562), (390, 227281)]