1917679985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{2699}}^1$

素因数の和:3377

約数の個数: 32

約数和(自身を含む): 2629065600

約数和(自身を除く): 711385615

約数列:

[1, 5, 13, 17, 65, 85, 221, 643, 1105, 2699, 3215, 8359, 10931, 13495, 35087, 41795, 45883, 54655, 142103, 175435, 229415, 596479, 710515, 1735457, 2982395, 8677285, 22560941, 29502769, 112804705, 147513845, 383535997, 1917679985]

約数ペア:

[(1, 1917679985), (5, 383535997), (13, 147513845), (17, 112804705), (65, 29502769), (85, 22560941), (221, 8677285), (643, 2982395), (1105, 1735457), (2699, 710515), (3215, 596479), (8359, 229415), (10931, 175435), (13495, 142103), (35087, 54655), (41795, 45883)]