78779456

素因数分解:

$2^6\times 7^2\times {\mathrm{25121}}^1$

素因数の和:25147

約数の個数: 42

約数和(自身を含む): 181858158

約数和(自身を除く): 103078702

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 25121, 50242, 100484, 175847, 200968, 351694, 401936, 703388, 803872, 1230929, 1406776, 1607744, 2461858, 2813552, 4923716, 5627104, 9847432, 11254208, 19694864, 39389728, 78779456]

約数ペア:

[(1, 78779456), (2, 39389728), (4, 19694864), (7, 11254208), (8, 9847432), (14, 5627104), (16, 4923716), (28, 2813552), (32, 2461858), (49, 1607744), (56, 1406776), (64, 1230929), (98, 803872), (112, 703388), (196, 401936), (224, 351694), (392, 200968), (448, 175847), (784, 100484), (1568, 50242), (3136, 25121)]