1657307890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{71963}}^1$

素因数の和:72031

約数の個数: 48

約数和(自身を含む): 3544083072

約数和(自身を除く): 1886775182

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 49, 70, 94, 98, 235, 245, 329, 470, 490, 658, 1645, 2303, 3290, 4606, 11515, 23030, 71963, 143926, 359815, 503741, 719630, 1007482, 2518705, 3382261, 3526187, 5037410, 6764522, 7052374, 16911305, 17630935, 23675827, 33822610, 35261870, 47351654, 118379135, 165730789, 236758270, 331461578, 828653945, 1657307890]

約数ペア:

[(1, 1657307890), (2, 828653945), (5, 331461578), (7, 236758270), (10, 165730789), (14, 118379135), (35, 47351654), (47, 35261870), (49, 33822610), (70, 23675827), (94, 17630935), (98, 16911305), (235, 7052374), (245, 6764522), (329, 5037410), (470, 3526187), (490, 3382261), (658, 2518705), (1645, 1007482), (2303, 719630), (3290, 503741), (4606, 359815), (11515, 143926), (23030, 71963)]