1291270393

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{2251}}^1$

素因数の和:2797

約数の個数: 24

約数和(自身を含む): 1571175360

約数和(自身を除く): 279904967

約数列:

[1, 7, 23, 49, 161, 509, 1127, 2251, 3563, 11707, 15757, 24941, 51773, 81949, 110299, 362411, 573643, 1145759, 2536877, 8020313, 26352457, 56142191, 184467199, 1291270393]

約数ペア:

[(1, 1291270393), (7, 184467199), (23, 56142191), (49, 26352457), (161, 8020313), (509, 2536877), (1127, 1145759), (2251, 573643), (3563, 362411), (11707, 110299), (15757, 81949), (24941, 51773)]