81337956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{2311}}^1$

素因数の和:2744

約数の個数: 48

約数和(自身を含む): 217512960

約数和(自身を除く): 136175004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 419, 838, 1257, 1676, 2311, 2514, 2933, 4622, 5028, 5866, 6933, 8799, 9244, 11732, 13866, 16177, 17598, 27732, 32354, 35196, 48531, 64708, 97062, 194124, 968309, 1936618, 2904927, 3873236, 5809854, 6778163, 11619708, 13556326, 20334489, 27112652, 40668978, 81337956]

約数ペア:

[(1, 81337956), (2, 40668978), (3, 27112652), (4, 20334489), (6, 13556326), (7, 11619708), (12, 6778163), (14, 5809854), (21, 3873236), (28, 2904927), (42, 1936618), (84, 968309), (419, 194124), (838, 97062), (1257, 64708), (1676, 48531), (2311, 35196), (2514, 32354), (2933, 27732), (4622, 17598), (5028, 16177), (5866, 13866), (6933, 11732), (8799, 9244)]