128986728

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1249}}^1$

素因数の和:1602

約数の個数: 64

約数和(自身を含む): 348600000

約数和(自身を除く): 219613272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 331, 662, 993, 1249, 1324, 1986, 2498, 2648, 3747, 3972, 4303, 4996, 7494, 7944, 8606, 9992, 12909, 14988, 16237, 17212, 25818, 29976, 32474, 34424, 48711, 51636, 64948, 97422, 103272, 129896, 194844, 389688, 413419, 826838, 1240257, 1653676, 2480514, 3307352, 4961028, 5374447, 9922056, 10748894, 16123341, 21497788, 32246682, 42995576, 64493364, 128986728]

約数ペア:

[(1, 128986728), (2, 64493364), (3, 42995576), (4, 32246682), (6, 21497788), (8, 16123341), (12, 10748894), (13, 9922056), (24, 5374447), (26, 4961028), (39, 3307352), (52, 2480514), (78, 1653676), (104, 1240257), (156, 826838), (312, 413419), (331, 389688), (662, 194844), (993, 129896), (1249, 103272), (1324, 97422), (1986, 64948), (2498, 51636), (2648, 48711), (3747, 34424), (3972, 32474), (4303, 29976), (4996, 25818), (7494, 17212), (7944, 16237), (8606, 14988), (9992, 12909)]