156912371

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2161}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 209212416

約数和(自身を除く): 52300045

約数列:

[1, 7, 11, 23, 41, 77, 161, 253, 287, 451, 943, 1771, 2161, 3157, 6601, 10373, 15127, 23771, 49703, 72611, 88601, 166397, 347921, 546733, 620207, 974611, 2037823, 3827131, 6822277, 14264761, 22416053, 156912371]

約数ペア:

[(1, 156912371), (7, 22416053), (11, 14264761), (23, 6822277), (41, 3827131), (77, 2037823), (161, 974611), (253, 620207), (287, 546733), (451, 347921), (943, 166397), (1771, 88601), (2161, 72611), (3157, 49703), (6601, 23771), (10373, 15127)]