389988599

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7951}}^1$

素因数の和:7996

約数の個数: 32

約数和(自身を含む): 534374400

約数和(自身を除く): 144385801

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 343, 539, 637, 1001, 3773, 4459, 7007, 7951, 49049, 55657, 87461, 103363, 389599, 612227, 723541, 1136993, 2727193, 4285589, 5064787, 7958951, 29999123, 35453509, 55712657, 389988599]

約数ペア:

[(1, 389988599), (7, 55712657), (11, 35453509), (13, 29999123), (49, 7958951), (77, 5064787), (91, 4285589), (143, 2727193), (343, 1136993), (539, 723541), (637, 612227), (1001, 389599), (3773, 103363), (4459, 87461), (7007, 55657), (7951, 49049)]