1989157404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{12751009}}^1$

素因数の和:12751029

約数の個数: 24

約数和(自身を含む): 4998395920

約数和(自身を除く): 3009238516

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 12751009, 25502018, 38253027, 51004036, 76506054, 153012108, 165763117, 331526234, 497289351, 663052468, 994578702, 1989157404]

約数ペア:

[(1, 1989157404), (2, 994578702), (3, 663052468), (4, 497289351), (6, 331526234), (12, 165763117), (13, 153012108), (26, 76506054), (39, 51004036), (52, 38253027), (78, 25502018), (156, 12751009)]