157678472

素因数分解:

$2^3\times 7^4\times {\mathrm{8209}}^1$

素因数の和:8243

約数の個数: 40

約数和(自身を含む): 344943150

約数和(自身を除く): 187264678

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2401, 2744, 4802, 8209, 9604, 16418, 19208, 32836, 57463, 65672, 114926, 229852, 402241, 459704, 804482, 1608964, 2815687, 3217928, 5631374, 11262748, 19709809, 22525496, 39419618, 78839236, 157678472]

約数ペア:

[(1, 157678472), (2, 78839236), (4, 39419618), (7, 22525496), (8, 19709809), (14, 11262748), (28, 5631374), (49, 3217928), (56, 2815687), (98, 1608964), (196, 804482), (343, 459704), (392, 402241), (686, 229852), (1372, 114926), (2401, 65672), (2744, 57463), (4802, 32836), (8209, 19208), (9604, 16418)]