1640603902

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{853}}^1$

素因数の和:1025

約数の個数: 64

約数和(自身を含む): 2990776320

約数和(自身を除く): 1350172418

約数列:

[1, 2, 7, 14, 37, 47, 74, 79, 94, 158, 259, 329, 518, 553, 658, 853, 1106, 1706, 1739, 2923, 3478, 3713, 5846, 5971, 7426, 11942, 12173, 20461, 24346, 25991, 31561, 40091, 40922, 51982, 63122, 67387, 80182, 134774, 137381, 220927, 274762, 280637, 441854, 471709, 561274, 943418, 961667, 1483367, 1923334, 2493319, 2966734, 3167189, 4986638, 6334378, 10383569, 17453233, 20767138, 22170323, 34906466, 44340646, 117185993, 234371986, 820301951, 1640603902]

約数ペア:

[(1, 1640603902), (2, 820301951), (7, 234371986), (14, 117185993), (37, 44340646), (47, 34906466), (74, 22170323), (79, 20767138), (94, 17453233), (158, 10383569), (259, 6334378), (329, 4986638), (518, 3167189), (553, 2966734), (658, 2493319), (853, 1923334), (1106, 1483367), (1706, 961667), (1739, 943418), (2923, 561274), (3478, 471709), (3713, 441854), (5846, 280637), (5971, 274762), (7426, 220927), (11942, 137381), (12173, 134774), (20461, 80182), (24346, 67387), (25991, 63122), (31561, 51982), (40091, 40922)]