126789628

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 271380480

約数和(自身を除く): 144590852

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 62, 79, 86, 124, 158, 172, 217, 301, 316, 434, 553, 602, 868, 1106, 1204, 1333, 1849, 2212, 2449, 2666, 3397, 3698, 4898, 5332, 6794, 7396, 9331, 9796, 12943, 13588, 17143, 18662, 23779, 25886, 34286, 37324, 47558, 51772, 57319, 68572, 95116, 105307, 114638, 146071, 210614, 229276, 292142, 401233, 421228, 584284, 737149, 802466, 1022497, 1474298, 1604932, 2044994, 2948596, 4089988, 4528201, 9056402, 18112804, 31697407, 63394814, 126789628]

約数ペア:

[(1, 126789628), (2, 63394814), (4, 31697407), (7, 18112804), (14, 9056402), (28, 4528201), (31, 4089988), (43, 2948596), (62, 2044994), (79, 1604932), (86, 1474298), (124, 1022497), (158, 802466), (172, 737149), (217, 584284), (301, 421228), (316, 401233), (434, 292142), (553, 229276), (602, 210614), (868, 146071), (1106, 114638), (1204, 105307), (1333, 95116), (1849, 68572), (2212, 57319), (2449, 51772), (2666, 47558), (3397, 37324), (3698, 34286), (4898, 25886), (5332, 23779), (6794, 18662), (7396, 17143), (9331, 13588), (9796, 12943)]