64487675

素因数分解:

$5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:948

約数の個数: 36

約数和(自身を含む): 94654656

約数和(自身を除く): 30166981

約数列:

[1, 5, 7, 25, 35, 49, 61, 175, 245, 305, 427, 863, 1225, 1525, 2135, 2989, 4315, 6041, 10675, 14945, 21575, 30205, 42287, 52643, 74725, 151025, 211435, 263215, 368501, 1057175, 1316075, 1842505, 2579507, 9212525, 12897535, 64487675]

約数ペア:

[(1, 64487675), (5, 12897535), (7, 9212525), (25, 2579507), (35, 1842505), (49, 1316075), (61, 1057175), (175, 368501), (245, 263215), (305, 211435), (427, 151025), (863, 74725), (1225, 52643), (1525, 42287), (2135, 30205), (2989, 21575), (4315, 14945), (6041, 10675)]