257259384

素因数分解:

$2^3\times 3^2\times {\mathrm{617}}^1\times {\mathrm{5791}}^1$

素因数の和:6420

約数の個数: 48

約数和(自身を含む): 697993920

約数和(自身を除く): 440734536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 617, 1234, 1851, 2468, 3702, 4936, 5553, 5791, 7404, 11106, 11582, 14808, 17373, 22212, 23164, 34746, 44424, 46328, 52119, 69492, 104238, 138984, 208476, 416952, 3573047, 7146094, 10719141, 14292188, 21438282, 28584376, 32157423, 42876564, 64314846, 85753128, 128629692, 257259384]

約数ペア:

[(1, 257259384), (2, 128629692), (3, 85753128), (4, 64314846), (6, 42876564), (8, 32157423), (9, 28584376), (12, 21438282), (18, 14292188), (24, 10719141), (36, 7146094), (72, 3573047), (617, 416952), (1234, 208476), (1851, 138984), (2468, 104238), (3702, 69492), (4936, 52119), (5553, 46328), (5791, 44424), (7404, 34746), (11106, 23164), (11582, 22212), (14808, 17373)]