277830215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{797}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 373234176

約数和(自身を除く): 95403961

約数列:

[1, 5, 13, 31, 65, 155, 173, 403, 797, 865, 2015, 2249, 3985, 5363, 10361, 11245, 24707, 26815, 51805, 69719, 123535, 137881, 321191, 348595, 689405, 1605955, 1792453, 4274311, 8962265, 21371555, 55566043, 277830215]

約数ペア:

[(1, 277830215), (5, 55566043), (13, 21371555), (31, 8962265), (65, 4274311), (155, 1792453), (173, 1605955), (403, 689405), (797, 348595), (865, 321191), (2015, 137881), (2249, 123535), (3985, 69719), (5363, 51805), (10361, 26815), (11245, 24707)]