161749390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1291}}^1$

素因数の和:1393

約数の個数: 64

約数和(自身を含む): 341584128

約数和(自身を除く): 179834738

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 67, 85, 110, 134, 170, 187, 335, 374, 670, 737, 935, 1139, 1291, 1474, 1870, 2278, 2582, 3685, 5695, 6455, 7370, 11390, 12529, 12910, 14201, 21947, 25058, 28402, 43894, 62645, 71005, 86497, 109735, 125290, 142010, 172994, 219470, 241417, 432485, 482834, 864970, 951467, 1207085, 1470449, 1902934, 2414170, 2940898, 4757335, 7352245, 9514670, 14704490, 16174939, 32349878, 80874695, 161749390]

約数ペア:

[(1, 161749390), (2, 80874695), (5, 32349878), (10, 16174939), (11, 14704490), (17, 9514670), (22, 7352245), (34, 4757335), (55, 2940898), (67, 2414170), (85, 1902934), (110, 1470449), (134, 1207085), (170, 951467), (187, 864970), (335, 482834), (374, 432485), (670, 241417), (737, 219470), (935, 172994), (1139, 142010), (1291, 125290), (1474, 109735), (1870, 86497), (2278, 71005), (2582, 62645), (3685, 43894), (5695, 28402), (6455, 25058), (7370, 21947), (11390, 14201), (12529, 12910)]