2159278465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{1721}}^1$

素因数の和:2073

約数の個数: 32

約数和(自身を含む): 2797079040

約数和(自身を除く): 637800575

約数列:

[1, 5, 19, 47, 95, 235, 281, 893, 1405, 1721, 4465, 5339, 8605, 13207, 26695, 32699, 66035, 80887, 163495, 250933, 404435, 483601, 1254665, 1536853, 2418005, 7684265, 9188419, 22729247, 45942095, 113646235, 431855693, 2159278465]

約数ペア:

[(1, 2159278465), (5, 431855693), (19, 113646235), (47, 45942095), (95, 22729247), (235, 9188419), (281, 7684265), (893, 2418005), (1405, 1536853), (1721, 1254665), (4465, 483601), (5339, 404435), (8605, 250933), (13207, 163495), (26695, 80887), (32699, 66035)]