28753978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{2039}}^1$

素因数の和:2693

約数の個数: 16

約数和(自身を含む): 47148480

約数和(自身を除く): 18394502

約数列:

[1, 2, 11, 22, 641, 1282, 2039, 4078, 7051, 14102, 22429, 44858, 1306999, 2613998, 14376989, 28753978]

約数ペア:

[(1, 28753978), (2, 14376989), (11, 2613998), (22, 1306999), (641, 44858), (1282, 22429), (2039, 14102), (4078, 7051)]