68890864

素因数分解:

$2^4\times 7^3\times {\mathrm{12553}}^1$

素因数の和:12582

約数の個数: 40

約数和(自身を含む): 155669600

約数和(自身を除く): 86778736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 12553, 25106, 50212, 87871, 100424, 175742, 200848, 351484, 615097, 702968, 1230194, 1405936, 2460388, 4305679, 4920776, 8611358, 9841552, 17222716, 34445432, 68890864]

約数ペア:

[(1, 68890864), (2, 34445432), (4, 17222716), (7, 9841552), (8, 8611358), (14, 4920776), (16, 4305679), (28, 2460388), (49, 1405936), (56, 1230194), (98, 702968), (112, 615097), (196, 351484), (343, 200848), (392, 175742), (686, 100424), (784, 87871), (1372, 50212), (2744, 25106), (5488, 12553)]