311905636

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{3137}}^1$

素因数の和:3268

約数の個数: 48

約数和(自身を含む): 645273216

約数和(自身を除く): 333367580

約数列:

[1, 2, 4, 7, 14, 28, 53, 67, 106, 134, 212, 268, 371, 469, 742, 938, 1484, 1876, 3137, 3551, 6274, 7102, 12548, 14204, 21959, 24857, 43918, 49714, 87836, 99428, 166261, 210179, 332522, 420358, 665044, 840716, 1163827, 1471253, 2327654, 2942506, 4655308, 5885012, 11139487, 22278974, 44557948, 77976409, 155952818, 311905636]

約数ペア:

[(1, 311905636), (2, 155952818), (4, 77976409), (7, 44557948), (14, 22278974), (28, 11139487), (53, 5885012), (67, 4655308), (106, 2942506), (134, 2327654), (212, 1471253), (268, 1163827), (371, 840716), (469, 665044), (742, 420358), (938, 332522), (1484, 210179), (1876, 166261), (3137, 99428), (3551, 87836), (6274, 49714), (7102, 43918), (12548, 24857), (14204, 21959)]