278329394

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 519561216

約数和(自身を除く): 241231822

約数列:

[1, 2, 7, 14, 23, 46, 47, 53, 94, 106, 161, 322, 329, 347, 371, 658, 694, 742, 1081, 1219, 2162, 2429, 2438, 2491, 4858, 4982, 7567, 7981, 8533, 15134, 15962, 16309, 17066, 17437, 18391, 32618, 34874, 36782, 55867, 57293, 111734, 114163, 114586, 128737, 228326, 257474, 375107, 401051, 422993, 750214, 802102, 845986, 864377, 1728754, 2625749, 2960951, 5251498, 5921902, 6050639, 12101278, 19880671, 39761342, 139164697, 278329394]

約数ペア:

[(1, 278329394), (2, 139164697), (7, 39761342), (14, 19880671), (23, 12101278), (46, 6050639), (47, 5921902), (53, 5251498), (94, 2960951), (106, 2625749), (161, 1728754), (322, 864377), (329, 845986), (347, 802102), (371, 750214), (658, 422993), (694, 401051), (742, 375107), (1081, 257474), (1219, 228326), (2162, 128737), (2429, 114586), (2438, 114163), (2491, 111734), (4858, 57293), (4982, 55867), (7567, 36782), (7981, 34874), (8533, 32618), (15134, 18391), (15962, 17437), (16309, 17066)]