9780388

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 17569440

約数和(自身を除く): 7789052

約数列:

[1, 2, 4, 83, 89, 166, 178, 331, 332, 356, 662, 1324, 7387, 14774, 27473, 29459, 29548, 54946, 58918, 109892, 117836, 2445097, 4890194, 9780388]

約数ペア:

[(1, 9780388), (2, 4890194), (4, 2445097), (83, 117836), (89, 109892), (166, 58918), (178, 54946), (331, 29548), (332, 29459), (356, 27473), (662, 14774), (1324, 7387)]