678271804

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{17957}}^1$

素因数の和:18058

約数の個数: 48

約数和(自身を含む): 1448133120

約数和(自身を除く): 769861316

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 497, 532, 994, 1349, 1988, 2698, 5396, 9443, 17957, 18886, 35914, 37772, 71828, 125699, 251398, 341183, 502796, 682366, 1274947, 1364732, 2388281, 2549894, 4776562, 5099788, 8924629, 9553124, 17849258, 24223993, 35698516, 48447986, 96895972, 169567951, 339135902, 678271804]

約数ペア:

[(1, 678271804), (2, 339135902), (4, 169567951), (7, 96895972), (14, 48447986), (19, 35698516), (28, 24223993), (38, 17849258), (71, 9553124), (76, 8924629), (133, 5099788), (142, 4776562), (266, 2549894), (284, 2388281), (497, 1364732), (532, 1274947), (994, 682366), (1349, 502796), (1988, 341183), (2698, 251398), (5396, 125699), (9443, 71828), (17957, 37772), (18886, 35914)]