818380084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 1533712320

約数和(自身を除く): 715332236

約数列:

[1, 2, 4, 19, 38, 76, 107, 157, 214, 314, 428, 628, 641, 1282, 2033, 2564, 2983, 4066, 5966, 8132, 11932, 12179, 16799, 24358, 33598, 48716, 67196, 68587, 100637, 137174, 201274, 274348, 319181, 402548, 638362, 1276724, 1303153, 1912103, 2606306, 3824206, 5212612, 7648412, 10768159, 21536318, 43072636, 204595021, 409190042, 818380084]

約数ペア:

[(1, 818380084), (2, 409190042), (4, 204595021), (19, 43072636), (38, 21536318), (76, 10768159), (107, 7648412), (157, 5212612), (214, 3824206), (314, 2606306), (428, 1912103), (628, 1303153), (641, 1276724), (1282, 638362), (2033, 402548), (2564, 319181), (2983, 274348), (4066, 201274), (5966, 137174), (8132, 100637), (11932, 68587), (12179, 67196), (16799, 48716), (24358, 33598)]