27931748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 30774172

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 1663, 3326, 4199, 6652, 8398, 16796, 21619, 28271, 31597, 43238, 56542, 63194, 86476, 113084, 126388, 367523, 410761, 537149, 735046, 821522, 1074298, 1470092, 1643044, 2148596, 6982937, 13965874, 27931748]

約数ペア:

[(1, 27931748), (2, 13965874), (4, 6982937), (13, 2148596), (17, 1643044), (19, 1470092), (26, 1074298), (34, 821522), (38, 735046), (52, 537149), (68, 410761), (76, 367523), (221, 126388), (247, 113084), (323, 86476), (442, 63194), (494, 56542), (646, 43238), (884, 31597), (988, 28271), (1292, 21619), (1663, 16796), (3326, 8398), (4199, 6652)]