291567416

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{509}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 641131200

約数和(自身を除く): 349563784

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 193, 212, 371, 386, 424, 509, 742, 772, 1018, 1351, 1484, 1544, 2036, 2702, 2968, 3563, 4072, 5404, 7126, 10229, 10808, 14252, 20458, 26977, 28504, 40916, 53954, 71603, 81832, 98237, 107908, 143206, 188839, 196474, 215816, 286412, 377678, 392948, 572824, 687659, 755356, 785896, 1375318, 1510712, 2750636, 5206561, 5501272, 10413122, 20826244, 36445927, 41652488, 72891854, 145783708, 291567416]

約数ペア:

[(1, 291567416), (2, 145783708), (4, 72891854), (7, 41652488), (8, 36445927), (14, 20826244), (28, 10413122), (53, 5501272), (56, 5206561), (106, 2750636), (193, 1510712), (212, 1375318), (371, 785896), (386, 755356), (424, 687659), (509, 572824), (742, 392948), (772, 377678), (1018, 286412), (1351, 215816), (1484, 196474), (1544, 188839), (2036, 143206), (2702, 107908), (2968, 98237), (3563, 81832), (4072, 71603), (5404, 53954), (7126, 40916), (10229, 28504), (10808, 26977), (14252, 20458)]