1388261708

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{673}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 2540926080

約数和(自身を除く): 1152664372

約数列:

[1, 2, 4, 43, 67, 86, 134, 172, 179, 268, 358, 673, 716, 1346, 2692, 2881, 5762, 7697, 11524, 11993, 15394, 23986, 28939, 30788, 45091, 47972, 57878, 90182, 115756, 120467, 180364, 240934, 481868, 515699, 1031398, 1938913, 2062796, 3877826, 5180081, 7755652, 8071289, 10360162, 16142578, 20720324, 32285156, 347065427, 694130854, 1388261708]

約数ペア:

[(1, 1388261708), (2, 694130854), (4, 347065427), (43, 32285156), (67, 20720324), (86, 16142578), (134, 10360162), (172, 8071289), (179, 7755652), (268, 5180081), (358, 3877826), (673, 2062796), (716, 1938913), (1346, 1031398), (2692, 515699), (2881, 481868), (5762, 240934), (7697, 180364), (11524, 120467), (11993, 115756), (15394, 90182), (23986, 57878), (28939, 47972), (30788, 45091)]