651320065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 944379648

約数和(自身を除く): 293059583

約数列:

[1, 5, 11, 17, 37, 55, 67, 85, 185, 187, 281, 335, 407, 629, 737, 935, 1139, 1405, 2035, 2479, 3091, 3145, 3685, 4777, 5695, 6919, 10397, 12395, 12529, 15455, 18827, 23885, 27269, 34595, 42143, 51985, 52547, 62645, 94135, 114367, 136345, 176749, 207097, 210715, 262735, 320059, 463573, 571835, 696599, 883745, 1035485, 1600295, 1944239, 2317865, 3482995, 3520649, 7662589, 9721195, 11842183, 17603245, 38312945, 59210915, 130264013, 651320065]

約数ペア:

[(1, 651320065), (5, 130264013), (11, 59210915), (17, 38312945), (37, 17603245), (55, 11842183), (67, 9721195), (85, 7662589), (185, 3520649), (187, 3482995), (281, 2317865), (335, 1944239), (407, 1600295), (629, 1035485), (737, 883745), (935, 696599), (1139, 571835), (1405, 463573), (2035, 320059), (2479, 262735), (3091, 210715), (3145, 207097), (3685, 176749), (4777, 136345), (5695, 114367), (6919, 94135), (10397, 62645), (12395, 52547), (12529, 51985), (15455, 42143), (18827, 34595), (23885, 27269)]