28462356

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1081

約数の個数: 72

約数和(自身を含む): 78830024

約数和(自身を除く): 50367668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 366, 468, 549, 732, 793, 997, 1098, 1586, 1994, 2196, 2379, 2991, 3172, 3988, 4758, 5982, 7137, 8973, 9516, 11964, 12961, 14274, 17946, 25922, 28548, 35892, 38883, 51844, 60817, 77766, 116649, 121634, 155532, 182451, 233298, 243268, 364902, 466596, 547353, 729804, 790621, 1094706, 1581242, 2189412, 2371863, 3162484, 4743726, 7115589, 9487452, 14231178, 28462356]

約数ペア:

[(1, 28462356), (2, 14231178), (3, 9487452), (4, 7115589), (6, 4743726), (9, 3162484), (12, 2371863), (13, 2189412), (18, 1581242), (26, 1094706), (36, 790621), (39, 729804), (52, 547353), (61, 466596), (78, 364902), (117, 243268), (122, 233298), (156, 182451), (183, 155532), (234, 121634), (244, 116649), (366, 77766), (468, 60817), (549, 51844), (732, 38883), (793, 35892), (997, 28548), (1098, 25922), (1586, 17946), (1994, 14274), (2196, 12961), (2379, 11964), (2991, 9516), (3172, 8973), (3988, 7137), (4758, 5982)]