291256252

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131671}}^1$

素因数の和:131761

約数の個数: 24

約数和(自身を含む): 589890560

約数和(自身を除く): 298634308

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 131671, 263342, 526684, 921697, 1843394, 3686788, 10402009, 20804018, 41608036, 72814063, 145628126, 291256252]

約数ペア:

[(1, 291256252), (2, 145628126), (4, 72814063), (7, 41608036), (14, 20804018), (28, 10402009), (79, 3686788), (158, 1843394), (316, 921697), (553, 526684), (1106, 263342), (2212, 131671)]