817251768

素因数分解:

$2^3\times 3^5\times {\mathrm{420397}}^1$

素因数の和:420418

約数の個数: 48

約数和(自身を含む): 2295373080

約数和(自身を除く): 1478121312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 420397, 840794, 1261191, 1681588, 2522382, 3363176, 3783573, 5044764, 7567146, 10089528, 11350719, 15134292, 22701438, 30268584, 34052157, 45402876, 68104314, 90805752, 102156471, 136208628, 204312942, 272417256, 408625884, 817251768]

約数ペア:

[(1, 817251768), (2, 408625884), (3, 272417256), (4, 204312942), (6, 136208628), (8, 102156471), (9, 90805752), (12, 68104314), (18, 45402876), (24, 34052157), (27, 30268584), (36, 22701438), (54, 15134292), (72, 11350719), (81, 10089528), (108, 7567146), (162, 5044764), (216, 3783573), (243, 3363176), (324, 2522382), (486, 1681588), (648, 1261191), (972, 840794), (1944, 420397)]