90087985

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 119952000

約数和(自身を除く): 29864015

約数列:

[1, 5, 13, 59, 65, 139, 169, 295, 695, 767, 845, 1807, 2197, 3835, 8201, 9035, 9971, 10985, 23491, 41005, 49855, 106613, 117455, 129623, 305383, 533065, 648115, 1385969, 1526915, 6929845, 18017597, 90087985]

約数ペア:

[(1, 90087985), (5, 18017597), (13, 6929845), (59, 1526915), (65, 1385969), (139, 648115), (169, 533065), (295, 305383), (695, 129623), (767, 117455), (845, 106613), (1807, 49855), (2197, 41005), (3835, 23491), (8201, 10985), (9035, 9971)]