28741004

素因数分解:

$2^2\times {\mathrm{61}}^2\times {\mathrm{1931}}^1$

素因数の和:2057

約数の個数: 18

約数和(自身を含む): 51161292

約数和(自身を除く): 22420288

約数列:

[1, 2, 4, 61, 122, 244, 1931, 3721, 3862, 7442, 7724, 14884, 117791, 235582, 471164, 7185251, 14370502, 28741004]

約数ペア:

[(1, 28741004), (2, 14370502), (4, 7185251), (61, 471164), (122, 235582), (244, 117791), (1931, 14884), (3721, 7724), (3862, 7442)]