1640280057

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 2440488960

約数和(自身を除く): 800208903

約数列:

[1, 3, 13, 39, 61, 89, 127, 183, 267, 381, 793, 1157, 1651, 2379, 3471, 3721, 4953, 5429, 7747, 11163, 11303, 16287, 23241, 33909, 48373, 70577, 100711, 145119, 146939, 211731, 302133, 331169, 440817, 472567, 689483, 993507, 1417701, 2068449, 4305197, 6143371, 8963279, 12915591, 18430113, 26889837, 42058463, 126175389, 546760019, 1640280057]

約数ペア:

[(1, 1640280057), (3, 546760019), (13, 126175389), (39, 42058463), (61, 26889837), (89, 18430113), (127, 12915591), (183, 8963279), (267, 6143371), (381, 4305197), (793, 2068449), (1157, 1417701), (1651, 993507), (2379, 689483), (3471, 472567), (3721, 440817), (4953, 331169), (5429, 302133), (7747, 211731), (11163, 146939), (11303, 145119), (16287, 100711), (23241, 70577), (33909, 48373)]