71121778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 140894208

約数和(自身を除く): 69772430

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 127, 181, 182, 221, 238, 254, 362, 442, 889, 1267, 1547, 1651, 1778, 2159, 2353, 2534, 3077, 3094, 3302, 4318, 4706, 6154, 11557, 15113, 16471, 21539, 22987, 23114, 28067, 30226, 32942, 40001, 43078, 45974, 56134, 80002, 160909, 196469, 280007, 298831, 321818, 390779, 392938, 560014, 597662, 781558, 2091817, 2735453, 4183634, 5080127, 5470906, 10160254, 35560889, 71121778]

約数ペア:

[(1, 71121778), (2, 35560889), (7, 10160254), (13, 5470906), (14, 5080127), (17, 4183634), (26, 2735453), (34, 2091817), (91, 781558), (119, 597662), (127, 560014), (181, 392938), (182, 390779), (221, 321818), (238, 298831), (254, 280007), (362, 196469), (442, 160909), (889, 80002), (1267, 56134), (1547, 45974), (1651, 43078), (1778, 40001), (2159, 32942), (2353, 30226), (2534, 28067), (3077, 23114), (3094, 22987), (3302, 21539), (4318, 16471), (4706, 15113), (6154, 11557)]