25279904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:997

約数の個数: 48

約数和(自身を含む): 54458208

約数和(自身を除く): 29178304

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 208, 268, 416, 536, 871, 907, 1072, 1742, 1814, 2144, 3484, 3628, 6968, 7256, 11791, 13936, 14512, 23582, 27872, 29024, 47164, 60769, 94328, 121538, 188656, 243076, 377312, 486152, 789997, 972304, 1579994, 1944608, 3159988, 6319976, 12639952, 25279904]

約数ペア:

[(1, 25279904), (2, 12639952), (4, 6319976), (8, 3159988), (13, 1944608), (16, 1579994), (26, 972304), (32, 789997), (52, 486152), (67, 377312), (104, 243076), (134, 188656), (208, 121538), (268, 94328), (416, 60769), (536, 47164), (871, 29024), (907, 27872), (1072, 23582), (1742, 14512), (1814, 13936), (2144, 11791), (3484, 7256), (3628, 6968)]