28709274025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1283}}^1\times {\mathrm{1423}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 38769732864

約数和(自身を除く): 10060458839

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 1283, 1423, 3145, 6415, 7115, 15725, 21811, 24191, 32075, 35575, 47471, 52651, 109055, 120955, 237355, 263255, 545275, 604775, 807007, 895067, 1186775, 1316275, 1825709, 4035035, 4475335, 9128545, 20175175, 22376675, 31037053, 45642725, 67551233, 155185265, 337756165, 775926325, 1148370961, 1688780825, 5741854805, 28709274025]

約数ペア:

[(1, 28709274025), (5, 5741854805), (17, 1688780825), (25, 1148370961), (37, 775926325), (85, 337756165), (185, 155185265), (425, 67551233), (629, 45642725), (925, 31037053), (1283, 22376675), (1423, 20175175), (3145, 9128545), (6415, 4475335), (7115, 4035035), (15725, 1825709), (21811, 1316275), (24191, 1186775), (32075, 895067), (35575, 807007), (47471, 604775), (52651, 545275), (109055, 263255), (120955, 237355)]