78188752

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 154677600

約数和(自身を除く): 76488848

約数列:

[1, 2, 4, 8, 16, 107, 109, 214, 218, 419, 428, 436, 838, 856, 872, 1676, 1712, 1744, 3352, 6704, 11663, 23326, 44833, 45671, 46652, 89666, 91342, 93304, 179332, 182684, 186608, 358664, 365368, 717328, 730736, 4886797, 9773594, 19547188, 39094376, 78188752]

約数ペア:

[(1, 78188752), (2, 39094376), (4, 19547188), (8, 9773594), (16, 4886797), (107, 730736), (109, 717328), (214, 365368), (218, 358664), (419, 186608), (428, 182684), (436, 179332), (838, 93304), (856, 91342), (872, 89666), (1676, 46652), (1712, 45671), (1744, 44833), (3352, 23326), (6704, 11663)]