28269670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 61072704

約数和(自身を除く): 32803034

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 53, 55, 65, 106, 110, 130, 143, 265, 286, 373, 530, 583, 689, 715, 746, 1166, 1378, 1430, 1865, 2915, 3445, 3730, 4103, 4849, 5830, 6890, 7579, 8206, 9698, 15158, 19769, 20515, 24245, 37895, 39538, 41030, 48490, 53339, 75790, 98845, 106678, 197690, 217459, 256997, 266695, 434918, 513994, 533390, 1087295, 1284985, 2174590, 2569970, 2826967, 5653934, 14134835, 28269670]

約数ペア:

[(1, 28269670), (2, 14134835), (5, 5653934), (10, 2826967), (11, 2569970), (13, 2174590), (22, 1284985), (26, 1087295), (53, 533390), (55, 513994), (65, 434918), (106, 266695), (110, 256997), (130, 217459), (143, 197690), (265, 106678), (286, 98845), (373, 75790), (530, 53339), (583, 48490), (689, 41030), (715, 39538), (746, 37895), (1166, 24245), (1378, 20515), (1430, 19769), (1865, 15158), (2915, 9698), (3445, 8206), (3730, 7579), (4103, 6890), (4849, 5830)]