81368574

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{26539}}^1$

素因数の和:26624

約数の個数: 32

約数和(自身を含む): 188540160

約数和(自身を除く): 107171586

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 26539, 53078, 79617, 159234, 185773, 371546, 557319, 1114638, 1937347, 3874694, 5812041, 11624082, 13561429, 27122858, 40684287, 81368574]

約数ペア:

[(1, 81368574), (2, 40684287), (3, 27122858), (6, 13561429), (7, 11624082), (14, 5812041), (21, 3874694), (42, 1937347), (73, 1114638), (146, 557319), (219, 371546), (438, 185773), (511, 159234), (1022, 79617), (1533, 53078), (3066, 26539)]