31999555

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 46301184

約数和(自身を除く): 14301629

約数列:

[1, 5, 7, 23, 35, 115, 127, 161, 313, 635, 805, 889, 1565, 2191, 2921, 4445, 7199, 10955, 14605, 20447, 35995, 39751, 50393, 102235, 198755, 251965, 278257, 914273, 1391285, 4571365, 6399911, 31999555]

約数ペア:

[(1, 31999555), (5, 6399911), (7, 4571365), (23, 1391285), (35, 914273), (115, 278257), (127, 251965), (161, 198755), (313, 102235), (635, 50393), (805, 39751), (889, 35995), (1565, 20447), (2191, 14605), (2921, 10955), (4445, 7199)]