80105298

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20959}}^1$

素因数の和:20991

約数の個数: 48

約数和(自身を含む): 200712960

約数和(自身を除く): 120607662

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 20959, 41918, 62877, 125754, 146713, 272467, 293426, 440139, 544934, 817401, 880278, 1026991, 1634802, 1907269, 2053982, 3080973, 3814538, 5721807, 6161946, 11443614, 13350883, 26701766, 40052649, 80105298]

約数ペア:

[(1, 80105298), (2, 40052649), (3, 26701766), (6, 13350883), (7, 11443614), (13, 6161946), (14, 5721807), (21, 3814538), (26, 3080973), (39, 2053982), (42, 1907269), (49, 1634802), (78, 1026991), (91, 880278), (98, 817401), (147, 544934), (182, 440139), (273, 293426), (294, 272467), (546, 146713), (637, 125754), (1274, 62877), (1911, 41918), (3822, 20959)]