253962212

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 517063680

約数和(自身を除く): 263101468

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 223, 356, 446, 457, 623, 892, 914, 1246, 1561, 1828, 2492, 3122, 3199, 6244, 6398, 12796, 19847, 39694, 40673, 79388, 81346, 101911, 138929, 162692, 203822, 277858, 284711, 407644, 555716, 569422, 713377, 1138844, 1426754, 2853508, 9070079, 18140158, 36280316, 63490553, 126981106, 253962212]

約数ペア:

[(1, 253962212), (2, 126981106), (4, 63490553), (7, 36280316), (14, 18140158), (28, 9070079), (89, 2853508), (178, 1426754), (223, 1138844), (356, 713377), (446, 569422), (457, 555716), (623, 407644), (892, 284711), (914, 277858), (1246, 203822), (1561, 162692), (1828, 138929), (2492, 101911), (3122, 81346), (3199, 79388), (6244, 40673), (6398, 39694), (12796, 19847)]