311375844

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{2351}}^1$

素因数の和:2657

約数の個数: 72

約数和(自身を含む): 850991232

約数和(自身を除く): 539615388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 283, 468, 566, 849, 1132, 1698, 2351, 2547, 3396, 3679, 4702, 5094, 7053, 7358, 9404, 10188, 11037, 14106, 14716, 21159, 22074, 28212, 30563, 33111, 42318, 44148, 61126, 66222, 84636, 91689, 122252, 132444, 183378, 275067, 366756, 550134, 665333, 1100268, 1330666, 1995999, 2661332, 3991998, 5987997, 7983996, 8649329, 11975994, 17298658, 23951988, 25947987, 34597316, 51895974, 77843961, 103791948, 155687922, 311375844]

約数ペア:

[(1, 311375844), (2, 155687922), (3, 103791948), (4, 77843961), (6, 51895974), (9, 34597316), (12, 25947987), (13, 23951988), (18, 17298658), (26, 11975994), (36, 8649329), (39, 7983996), (52, 5987997), (78, 3991998), (117, 2661332), (156, 1995999), (234, 1330666), (283, 1100268), (468, 665333), (566, 550134), (849, 366756), (1132, 275067), (1698, 183378), (2351, 132444), (2547, 122252), (3396, 91689), (3679, 84636), (4702, 66222), (5094, 61126), (7053, 44148), (7358, 42318), (9404, 33111), (10188, 30563), (11037, 28212), (14106, 22074), (14716, 21159)]