28980396

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:548

約数の個数: 96

約数和(自身を含む): 81984000

約数和(自身を除く): 53003604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 29, 36, 38, 54, 57, 58, 76, 87, 108, 114, 116, 171, 174, 228, 261, 342, 348, 487, 513, 522, 551, 684, 783, 974, 1026, 1044, 1102, 1461, 1566, 1653, 1948, 2052, 2204, 2922, 3132, 3306, 4383, 4959, 5844, 6612, 8766, 9253, 9918, 13149, 14123, 14877, 17532, 18506, 19836, 26298, 27759, 28246, 29754, 37012, 42369, 52596, 55518, 56492, 59508, 83277, 84738, 111036, 127107, 166554, 169476, 249831, 254214, 268337, 333108, 381321, 499662, 508428, 536674, 762642, 805011, 999324, 1073348, 1525284, 1610022, 2415033, 3220044, 4830066, 7245099, 9660132, 14490198, 28980396]

約数ペア:

[(1, 28980396), (2, 14490198), (3, 9660132), (4, 7245099), (6, 4830066), (9, 3220044), (12, 2415033), (18, 1610022), (19, 1525284), (27, 1073348), (29, 999324), (36, 805011), (38, 762642), (54, 536674), (57, 508428), (58, 499662), (76, 381321), (87, 333108), (108, 268337), (114, 254214), (116, 249831), (171, 169476), (174, 166554), (228, 127107), (261, 111036), (342, 84738), (348, 83277), (487, 59508), (513, 56492), (522, 55518), (551, 52596), (684, 42369), (783, 37012), (974, 29754), (1026, 28246), (1044, 27759), (1102, 26298), (1461, 19836), (1566, 18506), (1653, 17532), (1948, 14877), (2052, 14123), (2204, 13149), (2922, 9918), (3132, 9253), (3306, 8766), (4383, 6612), (4959, 5844)]