81913902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4463}}^1$

素因数の和:4517

約数の個数: 64

約数和(自身を含む): 205701120

約数和(自身を除く): 123787218

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 57, 69, 114, 133, 138, 161, 266, 322, 399, 437, 483, 798, 874, 966, 1311, 2622, 3059, 4463, 6118, 8926, 9177, 13389, 18354, 26778, 31241, 62482, 84797, 93723, 102649, 169594, 187446, 205298, 254391, 307947, 508782, 593579, 615894, 718543, 1187158, 1437086, 1780737, 1950331, 2155629, 3561474, 3900662, 4311258, 5850993, 11701986, 13652317, 27304634, 40956951, 81913902]

約数ペア:

[(1, 81913902), (2, 40956951), (3, 27304634), (6, 13652317), (7, 11701986), (14, 5850993), (19, 4311258), (21, 3900662), (23, 3561474), (38, 2155629), (42, 1950331), (46, 1780737), (57, 1437086), (69, 1187158), (114, 718543), (133, 615894), (138, 593579), (161, 508782), (266, 307947), (322, 254391), (399, 205298), (437, 187446), (483, 169594), (798, 102649), (874, 93723), (966, 84797), (1311, 62482), (2622, 31241), (3059, 26778), (4463, 18354), (6118, 13389), (8926, 9177)]