15991654

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 29260800

約数和(自身を除く): 13269146

約数列:

[1, 2, 7, 14, 19, 38, 79, 133, 158, 266, 553, 761, 1106, 1501, 1522, 3002, 5327, 10507, 10654, 14459, 21014, 28918, 60119, 101213, 120238, 202426, 420833, 841666, 1142261, 2284522, 7995827, 15991654]

約数ペア:

[(1, 15991654), (2, 7995827), (7, 2284522), (14, 1142261), (19, 841666), (38, 420833), (79, 202426), (133, 120238), (158, 101213), (266, 60119), (553, 28918), (761, 21014), (1106, 14459), (1501, 10654), (1522, 10507), (3002, 5327)]