25297545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 51093504

約数和(自身を除く): 25795959

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 43, 65, 91, 105, 129, 195, 215, 273, 301, 431, 455, 559, 645, 903, 1293, 1365, 1505, 1677, 2155, 2795, 3017, 3913, 4515, 5603, 6465, 8385, 9051, 11739, 15085, 16809, 18533, 19565, 28015, 39221, 45255, 55599, 58695, 84045, 92665, 117663, 129731, 196105, 240929, 277995, 389193, 588315, 648655, 722787, 1204645, 1686503, 1945965, 3613935, 5059509, 8432515, 25297545]

約数ペア:

[(1, 25297545), (3, 8432515), (5, 5059509), (7, 3613935), (13, 1945965), (15, 1686503), (21, 1204645), (35, 722787), (39, 648655), (43, 588315), (65, 389193), (91, 277995), (105, 240929), (129, 196105), (195, 129731), (215, 117663), (273, 92665), (301, 84045), (431, 58695), (455, 55599), (559, 45255), (645, 39221), (903, 28015), (1293, 19565), (1365, 18533), (1505, 16809), (1677, 15085), (2155, 11739), (2795, 9051), (3017, 8385), (3913, 6465), (4515, 5603)]