16003998

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 39536640

約数和(自身を除く): 23532642

約数列:

[1, 2, 3, 6, 9, 18, 23, 29, 31, 43, 46, 58, 62, 69, 86, 87, 93, 129, 138, 174, 186, 207, 258, 261, 279, 387, 414, 522, 558, 667, 713, 774, 899, 989, 1247, 1333, 1334, 1426, 1798, 1978, 2001, 2139, 2494, 2666, 2697, 2967, 3741, 3999, 4002, 4278, 5394, 5934, 6003, 6417, 7482, 7998, 8091, 8901, 11223, 11997, 12006, 12834, 16182, 17802, 20677, 22446, 23994, 28681, 30659, 38657, 41354, 57362, 61318, 62031, 77314, 86043, 91977, 115971, 124062, 172086, 183954, 186093, 231942, 258129, 275931, 347913, 372186, 516258, 551862, 695826, 889111, 1778222, 2667333, 5334666, 8001999, 16003998]

約数ペア:

[(1, 16003998), (2, 8001999), (3, 5334666), (6, 2667333), (9, 1778222), (18, 889111), (23, 695826), (29, 551862), (31, 516258), (43, 372186), (46, 347913), (58, 275931), (62, 258129), (69, 231942), (86, 186093), (87, 183954), (93, 172086), (129, 124062), (138, 115971), (174, 91977), (186, 86043), (207, 77314), (258, 62031), (261, 61318), (279, 57362), (387, 41354), (414, 38657), (522, 30659), (558, 28681), (667, 23994), (713, 22446), (774, 20677), (899, 17802), (989, 16182), (1247, 12834), (1333, 12006), (1334, 11997), (1426, 11223), (1798, 8901), (1978, 8091), (2001, 7998), (2139, 7482), (2494, 6417), (2666, 6003), (2697, 5934), (2967, 5394), (3741, 4278), (3999, 4002)]