647570964

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1\times {\mathrm{1319}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 1527482880

約数和(自身を除く): 879911916

約数列:

[1, 2, 3, 4, 6, 12, 163, 251, 326, 489, 502, 652, 753, 978, 1004, 1319, 1506, 1956, 2638, 3012, 3957, 5276, 7914, 15828, 40913, 81826, 122739, 163652, 214997, 245478, 331069, 429994, 490956, 644991, 662138, 859988, 993207, 1289982, 1324276, 1986414, 2579964, 3972828, 53964247, 107928494, 161892741, 215856988, 323785482, 647570964]

約数ペア:

[(1, 647570964), (2, 323785482), (3, 215856988), (4, 161892741), (6, 107928494), (12, 53964247), (163, 3972828), (251, 2579964), (326, 1986414), (489, 1324276), (502, 1289982), (652, 993207), (753, 859988), (978, 662138), (1004, 644991), (1319, 490956), (1506, 429994), (1956, 331069), (2638, 245478), (3012, 214997), (3957, 163652), (5276, 122739), (7914, 81826), (15828, 40913)]