319671828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1979}}^1$

素因数の和:2637

約数の個数: 72

約数和(自身を含む): 925404480

約数和(自身を除く): 605732652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 641, 1282, 1923, 1979, 2564, 3846, 3958, 4487, 5769, 5937, 7692, 7916, 8974, 11538, 11874, 13461, 13853, 17811, 17948, 23076, 23748, 26922, 27706, 35622, 40383, 41559, 53844, 55412, 71244, 80766, 83118, 124677, 161532, 166236, 249354, 498708, 1268539, 2537078, 3805617, 5074156, 7611234, 8879773, 11416851, 15222468, 17759546, 22833702, 26639319, 35519092, 45667404, 53278638, 79917957, 106557276, 159835914, 319671828]

約数ペア:

[(1, 319671828), (2, 159835914), (3, 106557276), (4, 79917957), (6, 53278638), (7, 45667404), (9, 35519092), (12, 26639319), (14, 22833702), (18, 17759546), (21, 15222468), (28, 11416851), (36, 8879773), (42, 7611234), (63, 5074156), (84, 3805617), (126, 2537078), (252, 1268539), (641, 498708), (1282, 249354), (1923, 166236), (1979, 161532), (2564, 124677), (3846, 83118), (3958, 80766), (4487, 71244), (5769, 55412), (5937, 53844), (7692, 41559), (7916, 40383), (8974, 35622), (11538, 27706), (11874, 26922), (13461, 23748), (13853, 23076), (17811, 17948)]