7977970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:835

約数の個数: 64

約数和(自身を含む): 19305216

約数和(自身を除く): 11327246

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 797, 910, 1001, 1430, 1594, 2002, 3985, 5005, 5579, 7970, 8767, 10010, 10361, 11158, 17534, 20722, 27895, 43835, 51805, 55790, 61369, 72527, 87670, 103610, 113971, 122738, 145054, 227942, 306845, 362635, 569855, 613690, 725270, 797797, 1139710, 1595594, 3988985, 7977970]

約数ペア:

[(1, 7977970), (2, 3988985), (5, 1595594), (7, 1139710), (10, 797797), (11, 725270), (13, 613690), (14, 569855), (22, 362635), (26, 306845), (35, 227942), (55, 145054), (65, 122738), (70, 113971), (77, 103610), (91, 87670), (110, 72527), (130, 61369), (143, 55790), (154, 51805), (182, 43835), (286, 27895), (385, 20722), (455, 17534), (715, 11158), (770, 10361), (797, 10010), (910, 8767), (1001, 7970), (1430, 5579), (1594, 5005), (2002, 3985)]