28784106

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 69632640

約数和(自身を除く): 40848534

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 131, 234, 262, 313, 351, 393, 626, 702, 786, 939, 1179, 1703, 1878, 2358, 2817, 3406, 3537, 4069, 5109, 5634, 7074, 8138, 8451, 10218, 12207, 15327, 16902, 24414, 30654, 36621, 41003, 45981, 73242, 82006, 91962, 109863, 123009, 219726, 246018, 369027, 533039, 738054, 1066078, 1107081, 1599117, 2214162, 3198234, 4797351, 9594702, 14392053, 28784106]

約数ペア:

[(1, 28784106), (2, 14392053), (3, 9594702), (6, 4797351), (9, 3198234), (13, 2214162), (18, 1599117), (26, 1107081), (27, 1066078), (39, 738054), (54, 533039), (78, 369027), (117, 246018), (131, 219726), (234, 123009), (262, 109863), (313, 91962), (351, 82006), (393, 73242), (626, 45981), (702, 41003), (786, 36621), (939, 30654), (1179, 24414), (1703, 16902), (1878, 15327), (2358, 12207), (2817, 10218), (3406, 8451), (3537, 8138), (4069, 7074), (5109, 5634)]