123428228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2143}}^1$

素因数の和:2193

約数の個数: 72

約数和(自身を含む): 287433216

約数和(自身を除く): 164004988

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 121, 154, 187, 238, 242, 308, 374, 476, 484, 748, 847, 1309, 1694, 2057, 2143, 2618, 3388, 4114, 4286, 5236, 8228, 8572, 14399, 15001, 23573, 28798, 30002, 36431, 47146, 57596, 60004, 72862, 94292, 145724, 165011, 255017, 259303, 330022, 400741, 510034, 518606, 660044, 801482, 1020068, 1037212, 1602964, 1815121, 2805187, 3630242, 4408151, 5610374, 7260484, 8816302, 11220748, 17632604, 30857057, 61714114, 123428228]

約数ペア:

[(1, 123428228), (2, 61714114), (4, 30857057), (7, 17632604), (11, 11220748), (14, 8816302), (17, 7260484), (22, 5610374), (28, 4408151), (34, 3630242), (44, 2805187), (68, 1815121), (77, 1602964), (119, 1037212), (121, 1020068), (154, 801482), (187, 660044), (238, 518606), (242, 510034), (308, 400741), (374, 330022), (476, 259303), (484, 255017), (748, 165011), (847, 145724), (1309, 94292), (1694, 72862), (2057, 60004), (2143, 57596), (2618, 47146), (3388, 36431), (4114, 30002), (4286, 28798), (5236, 23573), (8228, 15001), (8572, 14399)]