664271504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{77893}}^1$

素因数の和:77955

約数の個数: 40

約数和(自身を含む): 1419851832

約数和(自身を除く): 755580328

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 4264, 8528, 77893, 155786, 311572, 623144, 1012609, 1246288, 2025218, 3193613, 4050436, 6387226, 8100872, 12774452, 16201744, 25548904, 41516969, 51097808, 83033938, 166067876, 332135752, 664271504]

約数ペア:

[(1, 664271504), (2, 332135752), (4, 166067876), (8, 83033938), (13, 51097808), (16, 41516969), (26, 25548904), (41, 16201744), (52, 12774452), (82, 8100872), (104, 6387226), (164, 4050436), (208, 3193613), (328, 2025218), (533, 1246288), (656, 1012609), (1066, 623144), (2132, 311572), (4264, 155786), (8528, 77893)]