172985044

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{1231}}^1$

素因数の和:1340

約数の個数: 36

約数和(自身を含む): 326504640

約数和(自身を除く): 153519596

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1231, 1634, 1849, 2462, 3268, 3698, 4924, 7396, 23389, 35131, 46778, 52933, 70262, 93556, 105866, 140524, 211732, 1005727, 2011454, 2276119, 4022908, 4552238, 9104476, 43246261, 86492522, 172985044]

約数ペア:

[(1, 172985044), (2, 86492522), (4, 43246261), (19, 9104476), (38, 4552238), (43, 4022908), (76, 2276119), (86, 2011454), (172, 1005727), (817, 211732), (1231, 140524), (1634, 105866), (1849, 93556), (2462, 70262), (3268, 52933), (3698, 46778), (4924, 35131), (7396, 23389)]