260504478

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19531}}^1$

素因数の和:19574

約数の個数: 64

約数和(自身を含む): 656275200

約数和(自身を除く): 395770722

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 114, 117, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1482, 2223, 4446, 6669, 13338, 19531, 39062, 58593, 117186, 175779, 253903, 351558, 371089, 507806, 527337, 742178, 761709, 1054674, 1113267, 1523418, 2226534, 2285127, 3339801, 4570254, 4824157, 6679602, 6855381, 9648314, 10019403, 13710762, 14472471, 20038806, 28944942, 43417413, 86834826, 130252239, 260504478]

約数ペア:

[(1, 260504478), (2, 130252239), (3, 86834826), (6, 43417413), (9, 28944942), (13, 20038806), (18, 14472471), (19, 13710762), (26, 10019403), (27, 9648314), (38, 6855381), (39, 6679602), (54, 4824157), (57, 4570254), (78, 3339801), (114, 2285127), (117, 2226534), (171, 1523418), (234, 1113267), (247, 1054674), (342, 761709), (351, 742178), (494, 527337), (513, 507806), (702, 371089), (741, 351558), (1026, 253903), (1482, 175779), (2223, 117186), (4446, 58593), (6669, 39062), (13338, 19531)]