890448734

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 1608768000

約数和(自身を除く): 718319266

約数列:

[1, 2, 7, 14, 37, 74, 83, 139, 149, 166, 259, 278, 298, 518, 581, 973, 1043, 1162, 1946, 2086, 3071, 5143, 5513, 6142, 10286, 11026, 11537, 12367, 20711, 21497, 23074, 24734, 36001, 38591, 41422, 42994, 72002, 77182, 80759, 86569, 144977, 161518, 173138, 289954, 426869, 457579, 766307, 853738, 915158, 1532614, 1719013, 2988083, 3203053, 3438026, 5364149, 5976166, 6406106, 10728298, 12033091, 24066182, 63603481, 127206962, 445224367, 890448734]

約数ペア:

[(1, 890448734), (2, 445224367), (7, 127206962), (14, 63603481), (37, 24066182), (74, 12033091), (83, 10728298), (139, 6406106), (149, 5976166), (166, 5364149), (259, 3438026), (278, 3203053), (298, 2988083), (518, 1719013), (581, 1532614), (973, 915158), (1043, 853738), (1162, 766307), (1946, 457579), (2086, 426869), (3071, 289954), (5143, 173138), (5513, 161518), (6142, 144977), (10286, 86569), (11026, 80759), (11537, 77182), (12367, 72002), (20711, 42994), (21497, 41422), (23074, 38591), (24734, 36001)]