25930684

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:550

約数の個数: 36

約数和(自身を含む): 49805280

約数和(自身を除く): 23874596

約数列:

[1, 2, 4, 13, 26, 52, 89, 169, 178, 338, 356, 431, 676, 862, 1157, 1724, 2314, 4628, 5603, 11206, 15041, 22412, 30082, 38359, 60164, 72839, 76718, 145678, 153436, 291356, 498667, 997334, 1994668, 6482671, 12965342, 25930684]

約数ペア:

[(1, 25930684), (2, 12965342), (4, 6482671), (13, 1994668), (26, 997334), (52, 498667), (89, 291356), (169, 153436), (178, 145678), (338, 76718), (356, 72839), (431, 60164), (676, 38359), (862, 30082), (1157, 22412), (1724, 15041), (2314, 11206), (4628, 5603)]