1280457794

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{361507}}^1$

素因数の和:361550

約数の個数: 32

約数和(自身を含む): 2498743296

約数和(自身を除く): 1218285502

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 361507, 723014, 2530549, 3976577, 5061098, 7953154, 8314661, 16629322, 27836039, 55672078, 58202627, 91461271, 116405254, 182922542, 640228897, 1280457794]

約数ペア:

[(1, 1280457794), (2, 640228897), (7, 182922542), (11, 116405254), (14, 91461271), (22, 58202627), (23, 55672078), (46, 27836039), (77, 16629322), (154, 8314661), (161, 7953154), (253, 5061098), (322, 3976577), (506, 2530549), (1771, 723014), (3542, 361507)]