389707788

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1\times {\mathrm{1213}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 933692256

約数和(自身を除く): 543984468

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 653, 1213, 1306, 1959, 2426, 2612, 3639, 3918, 4852, 7278, 7836, 14556, 26773, 49733, 53546, 80319, 99466, 107092, 149199, 160638, 198932, 298398, 321276, 596796, 792089, 1584178, 2376267, 3168356, 4752534, 9505068, 32475649, 64951298, 97426947, 129902596, 194853894, 389707788]

約数ペア:

[(1, 389707788), (2, 194853894), (3, 129902596), (4, 97426947), (6, 64951298), (12, 32475649), (41, 9505068), (82, 4752534), (123, 3168356), (164, 2376267), (246, 1584178), (492, 792089), (653, 596796), (1213, 321276), (1306, 298398), (1959, 198932), (2426, 160638), (2612, 149199), (3639, 107092), (3918, 99466), (4852, 80319), (7278, 53546), (7836, 49733), (14556, 26773)]