420824341

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 520950528

約数和(自身を除く): 100126187

約数列:

[1, 7, 17, 73, 119, 193, 251, 511, 1241, 1351, 1757, 3281, 4267, 8687, 14089, 18323, 22967, 29869, 48443, 98623, 128261, 239513, 311491, 339101, 823531, 1676591, 2180437, 3536339, 5764717, 24754373, 60117763, 420824341]

約数ペア:

[(1, 420824341), (7, 60117763), (17, 24754373), (73, 5764717), (119, 3536339), (193, 2180437), (251, 1676591), (511, 823531), (1241, 339101), (1351, 311491), (1757, 239513), (3281, 128261), (4267, 98623), (8687, 48443), (14089, 29869), (18323, 22967)]