256897404

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{22093}}^1$

素因数の和:22139

約数の個数: 72

約数和(自身を含む): 723799440

約数和(自身を除く): 466902036

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 153, 171, 204, 228, 306, 323, 342, 612, 646, 684, 969, 1292, 1938, 2907, 3876, 5814, 11628, 22093, 44186, 66279, 88372, 132558, 198837, 265116, 375581, 397674, 419767, 751162, 795348, 839534, 1126743, 1259301, 1502324, 1679068, 2253486, 2518602, 3380229, 3777903, 4506972, 5037204, 6760458, 7136039, 7555806, 13520916, 14272078, 15111612, 21408117, 28544156, 42816234, 64224351, 85632468, 128448702, 256897404]

約数ペア:

[(1, 256897404), (2, 128448702), (3, 85632468), (4, 64224351), (6, 42816234), (9, 28544156), (12, 21408117), (17, 15111612), (18, 14272078), (19, 13520916), (34, 7555806), (36, 7136039), (38, 6760458), (51, 5037204), (57, 4506972), (68, 3777903), (76, 3380229), (102, 2518602), (114, 2253486), (153, 1679068), (171, 1502324), (204, 1259301), (228, 1126743), (306, 839534), (323, 795348), (342, 751162), (612, 419767), (646, 397674), (684, 375581), (969, 265116), (1292, 198837), (1938, 132558), (2907, 88372), (3876, 66279), (5814, 44186), (11628, 22093)]