65771725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 91333440

約数和(自身を除く): 25561715

約数列:

[1, 5, 17, 25, 43, 59, 61, 85, 215, 295, 305, 425, 731, 1003, 1037, 1075, 1475, 1525, 2537, 2623, 3599, 3655, 5015, 5185, 12685, 13115, 17995, 18275, 25075, 25925, 43129, 44591, 61183, 63425, 65575, 89975, 154757, 215645, 222955, 305915, 773785, 1078225, 1114775, 1529575, 2630869, 3868925, 13154345, 65771725]

約数ペア:

[(1, 65771725), (5, 13154345), (17, 3868925), (25, 2630869), (43, 1529575), (59, 1114775), (61, 1078225), (85, 773785), (215, 305915), (295, 222955), (305, 215645), (425, 154757), (731, 89975), (1003, 65575), (1037, 63425), (1075, 61183), (1475, 44591), (1525, 43129), (2537, 25925), (2623, 25075), (3599, 18275), (3655, 17995), (5015, 13115), (5185, 12685)]