161878338

素因数分解:

$2^1\times 3^5\times {\mathrm{397}}^1\times {\mathrm{839}}^1$

素因数の和:1253

約数の個数: 48

約数和(自身を含む): 365077440

約数和(自身を除く): 203199102

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 397, 486, 794, 839, 1191, 1678, 2382, 2517, 3573, 5034, 7146, 7551, 10719, 15102, 21438, 22653, 32157, 45306, 64314, 67959, 96471, 135918, 192942, 203877, 333083, 407754, 666166, 999249, 1998498, 2997747, 5995494, 8993241, 17986482, 26979723, 53959446, 80939169, 161878338]

約数ペア:

[(1, 161878338), (2, 80939169), (3, 53959446), (6, 26979723), (9, 17986482), (18, 8993241), (27, 5995494), (54, 2997747), (81, 1998498), (162, 999249), (243, 666166), (397, 407754), (486, 333083), (794, 203877), (839, 192942), (1191, 135918), (1678, 96471), (2382, 67959), (2517, 64314), (3573, 45306), (5034, 32157), (7146, 22653), (7551, 21438), (10719, 15102)]