78278545

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 101606400

約数和(自身を除く): 23327855

約数列:

[1, 5, 23, 59, 83, 115, 139, 295, 415, 695, 1357, 1909, 3197, 4897, 6785, 8201, 9545, 11537, 15985, 24485, 41005, 57685, 112631, 188623, 265351, 563155, 680683, 943115, 1326755, 3403415, 15655709, 78278545]

約数ペア:

[(1, 78278545), (5, 15655709), (23, 3403415), (59, 1326755), (83, 943115), (115, 680683), (139, 563155), (295, 265351), (415, 188623), (695, 112631), (1357, 57685), (1909, 41005), (3197, 24485), (4897, 15985), (6785, 11537), (8201, 9545)]