988891735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{2663}}^1$

素因数の和:2907

約数の個数: 32

約数和(自身を含む): 1329229440

約数和(自身を除く): 340337705

約数列:

[1, 5, 13, 29, 65, 145, 197, 377, 985, 1885, 2561, 2663, 5713, 12805, 13315, 28565, 34619, 74269, 77227, 173095, 371345, 386135, 524611, 1003951, 2623055, 5019755, 6819943, 15213719, 34099715, 76068595, 197778347, 988891735]

約数ペア:

[(1, 988891735), (5, 197778347), (13, 76068595), (29, 34099715), (65, 15213719), (145, 6819943), (197, 5019755), (377, 2623055), (985, 1003951), (1885, 524611), (2561, 386135), (2663, 371345), (5713, 173095), (12805, 77227), (13315, 74269), (28565, 34619)]