81622268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 181020672

約数和(自身を除く): 99398404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 52, 91, 94, 169, 182, 188, 329, 338, 364, 367, 611, 658, 676, 734, 1183, 1222, 1316, 1468, 2366, 2444, 2569, 4277, 4732, 4771, 5138, 7943, 8554, 9542, 10276, 15886, 17108, 17249, 19084, 31772, 33397, 34498, 55601, 62023, 66794, 68996, 111202, 120743, 124046, 133588, 222404, 224237, 241486, 248092, 434161, 448474, 482972, 868322, 896948, 1569659, 1736644, 2915081, 3139318, 5830162, 6278636, 11660324, 20405567, 40811134, 81622268]

約数ペア:

[(1, 81622268), (2, 40811134), (4, 20405567), (7, 11660324), (13, 6278636), (14, 5830162), (26, 3139318), (28, 2915081), (47, 1736644), (52, 1569659), (91, 896948), (94, 868322), (169, 482972), (182, 448474), (188, 434161), (329, 248092), (338, 241486), (364, 224237), (367, 222404), (611, 133588), (658, 124046), (676, 120743), (734, 111202), (1183, 68996), (1222, 66794), (1316, 62023), (1468, 55601), (2366, 34498), (2444, 33397), (2569, 31772), (4277, 19084), (4732, 17249), (4771, 17108), (5138, 15886), (7943, 10276), (8554, 9542)]