1256821918

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4481}}^1$

素因数の和:4585

約数の個数: 48

約数和(自身を含む): 2217514320

約数和(自身を除く): 960692402

約数列:

[1, 2, 11, 19, 22, 38, 61, 121, 122, 209, 242, 418, 671, 1159, 1342, 2299, 2318, 4481, 4598, 7381, 8962, 12749, 14762, 25498, 49291, 85139, 98582, 140239, 170278, 273341, 280478, 542201, 546682, 936529, 1084402, 1873058, 3006751, 5193479, 6013502, 10301819, 10386958, 20603638, 33074261, 57128269, 66148522, 114256538, 628410959, 1256821918]

約数ペア:

[(1, 1256821918), (2, 628410959), (11, 114256538), (19, 66148522), (22, 57128269), (38, 33074261), (61, 20603638), (121, 10386958), (122, 10301819), (209, 6013502), (242, 5193479), (418, 3006751), (671, 1873058), (1159, 1084402), (1342, 936529), (2299, 546682), (2318, 542201), (4481, 280478), (4598, 273341), (7381, 170278), (8962, 140239), (12749, 98582), (14762, 85139), (25498, 49291)]