221497458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{797}}^1$

素因数の和:1331

約数の個数: 64

約数和(自身を含む): 546981120

約数和(自身を除く): 325483662

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 509, 546, 797, 1018, 1527, 1594, 2391, 3054, 3563, 4782, 5579, 6617, 7126, 10361, 10689, 11158, 13234, 16737, 19851, 20722, 21378, 31083, 33474, 39702, 46319, 62166, 72527, 92638, 138957, 145054, 217581, 277914, 405673, 435162, 811346, 1217019, 2434038, 2839711, 5273749, 5679422, 8519133, 10547498, 15821247, 17038266, 31642494, 36916243, 73832486, 110748729, 221497458]

約数ペア:

[(1, 221497458), (2, 110748729), (3, 73832486), (6, 36916243), (7, 31642494), (13, 17038266), (14, 15821247), (21, 10547498), (26, 8519133), (39, 5679422), (42, 5273749), (78, 2839711), (91, 2434038), (182, 1217019), (273, 811346), (509, 435162), (546, 405673), (797, 277914), (1018, 217581), (1527, 145054), (1594, 138957), (2391, 92638), (3054, 72527), (3563, 62166), (4782, 46319), (5579, 39702), (6617, 33474), (7126, 31083), (10361, 21378), (10689, 20722), (11158, 19851), (13234, 16737)]