28137924

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2049

約数の個数: 72

約数和(自身を含む): 78624000

約数和(自身を除く): 50486076

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 46, 51, 68, 69, 92, 102, 138, 153, 204, 207, 276, 306, 391, 414, 612, 782, 828, 1173, 1564, 1999, 2346, 3519, 3998, 4692, 5997, 7038, 7996, 11994, 14076, 17991, 23988, 33983, 35982, 45977, 67966, 71964, 91954, 101949, 135932, 137931, 183908, 203898, 275862, 305847, 407796, 413793, 551724, 611694, 781609, 827586, 1223388, 1563218, 1655172, 2344827, 3126436, 4689654, 7034481, 9379308, 14068962, 28137924]

約数ペア:

[(1, 28137924), (2, 14068962), (3, 9379308), (4, 7034481), (6, 4689654), (9, 3126436), (12, 2344827), (17, 1655172), (18, 1563218), (23, 1223388), (34, 827586), (36, 781609), (46, 611694), (51, 551724), (68, 413793), (69, 407796), (92, 305847), (102, 275862), (138, 203898), (153, 183908), (204, 137931), (207, 135932), (276, 101949), (306, 91954), (391, 71964), (414, 67966), (612, 45977), (782, 35982), (828, 33983), (1173, 23988), (1564, 17991), (1999, 14076), (2346, 11994), (3519, 7996), (3998, 7038), (4692, 5997)]