72971386

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{3697}}^1$

素因数の和:3909

約数の個数: 16

約数和(自身を含む): 111827520

約数和(自身を除く): 38856134

約数列:

[1, 2, 71, 139, 142, 278, 3697, 7394, 9869, 19738, 262487, 513883, 524974, 1027766, 36485693, 72971386]

約数ペア:

[(1, 72971386), (2, 36485693), (71, 1027766), (139, 524974), (142, 513883), (278, 262487), (3697, 19738), (7394, 9869)]