2109173408

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{19681}}^1$

素因数の和:19905

約数の個数: 48

約数和(自身を含む): 4419238824

約数和(自身を除く): 2310065416

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 197, 272, 394, 544, 788, 1576, 3152, 3349, 6304, 6698, 13396, 19681, 26792, 39362, 53584, 78724, 107168, 157448, 314896, 334577, 629792, 669154, 1338308, 2676616, 3877157, 5353232, 7754314, 10706464, 15508628, 31017256, 62034512, 65911669, 124069024, 131823338, 263646676, 527293352, 1054586704, 2109173408]

約数ペア:

[(1, 2109173408), (2, 1054586704), (4, 527293352), (8, 263646676), (16, 131823338), (17, 124069024), (32, 65911669), (34, 62034512), (68, 31017256), (136, 15508628), (197, 10706464), (272, 7754314), (394, 5353232), (544, 3877157), (788, 2676616), (1576, 1338308), (3152, 669154), (3349, 629792), (6304, 334577), (6698, 314896), (13396, 157448), (19681, 107168), (26792, 78724), (39362, 53584)]