644157462

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{65027}}^1$

素因数の和:65172

約数の個数: 32

約数和(自身を含む): 1398362112

約数和(自身を除く): 754204650

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 254, 381, 762, 1651, 3302, 4953, 9906, 65027, 130054, 195081, 390162, 845351, 1690702, 2536053, 5072106, 8258429, 16516858, 24775287, 49550574, 107359577, 214719154, 322078731, 644157462]

約数ペア:

[(1, 644157462), (2, 322078731), (3, 214719154), (6, 107359577), (13, 49550574), (26, 24775287), (39, 16516858), (78, 8258429), (127, 5072106), (254, 2536053), (381, 1690702), (762, 845351), (1651, 390162), (3302, 195081), (4953, 130054), (9906, 65027)]