279919172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{631}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 557424000

約数和(自身を除く): 277504828

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 449, 494, 631, 898, 988, 1262, 1796, 2524, 5837, 8203, 8531, 11674, 11989, 16406, 17062, 23348, 23978, 32812, 34124, 47956, 110903, 155857, 221806, 283319, 311714, 443612, 566638, 623428, 1133276, 3683147, 5383061, 7366294, 10766122, 14732588, 21532244, 69979793, 139959586, 279919172]

約数ペア:

[(1, 279919172), (2, 139959586), (4, 69979793), (13, 21532244), (19, 14732588), (26, 10766122), (38, 7366294), (52, 5383061), (76, 3683147), (247, 1133276), (449, 623428), (494, 566638), (631, 443612), (898, 311714), (988, 283319), (1262, 221806), (1796, 155857), (2524, 110903), (5837, 47956), (8203, 34124), (8531, 32812), (11674, 23978), (11989, 23348), (16406, 17062)]