1988994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 4976640

約数和(自身を除く): 2987646

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 29, 42, 46, 58, 69, 71, 87, 138, 142, 161, 174, 203, 213, 322, 406, 426, 483, 497, 609, 667, 966, 994, 1218, 1334, 1491, 1633, 2001, 2059, 2982, 3266, 4002, 4118, 4669, 4899, 6177, 9338, 9798, 11431, 12354, 14007, 14413, 22862, 28014, 28826, 34293, 43239, 47357, 68586, 86478, 94714, 142071, 284142, 331499, 662998, 994497, 1988994]

約数ペア:

[(1, 1988994), (2, 994497), (3, 662998), (6, 331499), (7, 284142), (14, 142071), (21, 94714), (23, 86478), (29, 68586), (42, 47357), (46, 43239), (58, 34293), (69, 28826), (71, 28014), (87, 22862), (138, 14413), (142, 14007), (161, 12354), (174, 11431), (203, 9798), (213, 9338), (322, 6177), (406, 4899), (426, 4669), (483, 4118), (497, 4002), (609, 3266), (667, 2982), (966, 2059), (994, 2001), (1218, 1633), (1334, 1491)]