138967808

素因数分解:

$2^8\times 7^1\times {\mathrm{77549}}^1$

素因数の和:77572

約数の個数: 36

約数和(自身を含む): 317024400

約数和(自身を除く): 178056592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 77549, 155098, 310196, 542843, 620392, 1085686, 1240784, 2171372, 2481568, 4342744, 4963136, 8685488, 9926272, 17370976, 19852544, 34741952, 69483904, 138967808]

約数ペア:

[(1, 138967808), (2, 69483904), (4, 34741952), (7, 19852544), (8, 17370976), (14, 9926272), (16, 8685488), (28, 4963136), (32, 4342744), (56, 2481568), (64, 2171372), (112, 1240784), (128, 1085686), (224, 620392), (256, 542843), (448, 310196), (896, 155098), (1792, 77549)]