1380388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 2610720

約数和(自身を除く): 1230332

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 443, 779, 886, 1558, 1772, 3116, 8417, 16834, 18163, 33668, 36326, 72652, 345097, 690194, 1380388]

約数ペア:

[(1, 1380388), (2, 690194), (4, 345097), (19, 72652), (38, 36326), (41, 33668), (76, 18163), (82, 16834), (164, 8417), (443, 3116), (779, 1772), (886, 1558)]