38971569

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 65587200

約数和(自身を除く): 26615631

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 139, 169, 237, 273, 417, 507, 553, 973, 1027, 1183, 1659, 1807, 2919, 3081, 3549, 5421, 7189, 10981, 12649, 13351, 21567, 23491, 32943, 37947, 40053, 70473, 76867, 93457, 142753, 164437, 230601, 280371, 428259, 493311, 999271, 1855789, 2997813, 5567367, 12990523, 38971569]

約数ペア:

[(1, 38971569), (3, 12990523), (7, 5567367), (13, 2997813), (21, 1855789), (39, 999271), (79, 493311), (91, 428259), (139, 280371), (169, 230601), (237, 164437), (273, 142753), (417, 93457), (507, 76867), (553, 70473), (973, 40053), (1027, 37947), (1183, 32943), (1659, 23491), (1807, 21567), (2919, 13351), (3081, 12649), (3549, 10981), (5421, 7189)]