261347632

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179497}}^1$

素因数の和:179525

約数の個数: 40

約数和(自身を含む): 623217056

約数和(自身を除く): 361869424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 179497, 358994, 717988, 1256479, 1435976, 2333461, 2512958, 2871952, 4666922, 5025916, 9333844, 10051832, 16334227, 18667688, 20103664, 32668454, 37335376, 65336908, 130673816, 261347632]

約数ペア:

[(1, 261347632), (2, 130673816), (4, 65336908), (7, 37335376), (8, 32668454), (13, 20103664), (14, 18667688), (16, 16334227), (26, 10051832), (28, 9333844), (52, 5025916), (56, 4666922), (91, 2871952), (104, 2512958), (112, 2333461), (182, 1435976), (208, 1256479), (364, 717988), (728, 358994), (1456, 179497)]