15995994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 39536640

約数和(自身を除く): 23540646

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 29, 42, 46, 58, 69, 87, 138, 161, 174, 203, 322, 406, 483, 571, 609, 667, 966, 1142, 1218, 1334, 1713, 2001, 3426, 3997, 4002, 4669, 7994, 9338, 11991, 13133, 14007, 16559, 23982, 26266, 28014, 33118, 39399, 49677, 78798, 91931, 99354, 115913, 183862, 231826, 275793, 347739, 380857, 551586, 695478, 761714, 1142571, 2285142, 2665999, 5331998, 7997997, 15995994]

約数ペア:

[(1, 15995994), (2, 7997997), (3, 5331998), (6, 2665999), (7, 2285142), (14, 1142571), (21, 761714), (23, 695478), (29, 551586), (42, 380857), (46, 347739), (58, 275793), (69, 231826), (87, 183862), (138, 115913), (161, 99354), (174, 91931), (203, 78798), (322, 49677), (406, 39399), (483, 33118), (571, 28014), (609, 26266), (667, 23982), (966, 16559), (1142, 14007), (1218, 13133), (1334, 11991), (1713, 9338), (2001, 7994), (3426, 4669), (3997, 4002)]