68405888

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{8761}}^1$

素因数の和:8836

約数の個数: 32

約数和(自身を含む): 138527220

約数和(自身を除く): 70121332

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 3904, 7808, 8761, 17522, 35044, 70088, 140176, 280352, 534421, 560704, 1068842, 1121408, 2137684, 4275368, 8550736, 17101472, 34202944, 68405888]

約数ペア:

[(1, 68405888), (2, 34202944), (4, 17101472), (8, 8550736), (16, 4275368), (32, 2137684), (61, 1121408), (64, 1068842), (122, 560704), (128, 534421), (244, 280352), (488, 140176), (976, 70088), (1952, 35044), (3904, 17522), (7808, 8761)]