161334472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81647}}^1$

素因数の和:81685

約数の個数: 32

約数和(自身を含む): 342921600

約数和(自身を除く): 181587128

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 81647, 163294, 326588, 653176, 1061411, 1551293, 2122822, 3102586, 4245644, 6205172, 8491288, 12410344, 20166809, 40333618, 80667236, 161334472]

約数ペア:

[(1, 161334472), (2, 80667236), (4, 40333618), (8, 20166809), (13, 12410344), (19, 8491288), (26, 6205172), (38, 4245644), (52, 3102586), (76, 2122822), (104, 1551293), (152, 1061411), (247, 653176), (494, 326588), (988, 163294), (1976, 81647)]