261323286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{15913}}^1$

素因数の和:15965

約数の個数: 64

約数和(自身を含む): 659985408

約数和(自身を除く): 398662122

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 23, 34, 42, 46, 51, 69, 102, 119, 138, 161, 238, 322, 357, 391, 483, 714, 782, 966, 1173, 2346, 2737, 5474, 8211, 15913, 16422, 31826, 47739, 95478, 111391, 222782, 270521, 334173, 365999, 541042, 668346, 731998, 811563, 1097997, 1623126, 1893647, 2195994, 2561993, 3787294, 5123986, 5680941, 6221983, 7685979, 11361882, 12443966, 15371958, 18665949, 37331898, 43553881, 87107762, 130661643, 261323286]

約数ペア:

[(1, 261323286), (2, 130661643), (3, 87107762), (6, 43553881), (7, 37331898), (14, 18665949), (17, 15371958), (21, 12443966), (23, 11361882), (34, 7685979), (42, 6221983), (46, 5680941), (51, 5123986), (69, 3787294), (102, 2561993), (119, 2195994), (138, 1893647), (161, 1623126), (238, 1097997), (322, 811563), (357, 731998), (391, 668346), (483, 541042), (714, 365999), (782, 334173), (966, 270521), (1173, 222782), (2346, 111391), (2737, 95478), (5474, 47739), (8211, 31826), (15913, 16422)]