638969946

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{125141}}^1$

素因数の和:125206

約数の個数: 32

約数和(自身を含む): 1369554048

約数和(自身を除く): 730584102

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 74, 111, 138, 222, 851, 1702, 2553, 5106, 125141, 250282, 375423, 750846, 2878243, 4630217, 5756486, 8634729, 9260434, 13890651, 17269458, 27781302, 106494991, 212989982, 319484973, 638969946]

約数ペア:

[(1, 638969946), (2, 319484973), (3, 212989982), (6, 106494991), (23, 27781302), (37, 17269458), (46, 13890651), (69, 9260434), (74, 8634729), (111, 5756486), (138, 4630217), (222, 2878243), (851, 750846), (1702, 375423), (2553, 250282), (5106, 125141)]