163920970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{4001}}^1$

素因数の和:4266

約数の個数: 32

約数和(自身を含む): 313788816

約数和(自身を除く): 149867846

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 241, 482, 1205, 2410, 4001, 4097, 8002, 8194, 20005, 20485, 40010, 40970, 68017, 136034, 340085, 680170, 964241, 1928482, 4821205, 9642410, 16392097, 32784194, 81960485, 163920970]

約数ペア:

[(1, 163920970), (2, 81960485), (5, 32784194), (10, 16392097), (17, 9642410), (34, 4821205), (85, 1928482), (170, 964241), (241, 680170), (482, 340085), (1205, 136034), (2410, 68017), (4001, 40970), (4097, 40010), (8002, 20485), (8194, 20005)]