1898045261

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{2663}}^1$

素因数の和:2945

約数の個数: 32

約数和(自身を含む): 2393763840

約数和(自身を除く): 495718579

約数列:

[1, 7, 19, 23, 133, 161, 233, 437, 1631, 2663, 3059, 4427, 5359, 18641, 30989, 37513, 50597, 61249, 101821, 354179, 428743, 620479, 712747, 1163731, 4343353, 8146117, 11789101, 14271017, 82523707, 99897119, 271149323, 1898045261]

約数ペア:

[(1, 1898045261), (7, 271149323), (19, 99897119), (23, 82523707), (133, 14271017), (161, 11789101), (233, 8146117), (437, 4343353), (1631, 1163731), (2663, 712747), (3059, 620479), (4427, 428743), (5359, 354179), (18641, 101821), (30989, 61249), (37513, 50597)]