28916195

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 18085405

約数列:

[1, 5, 7, 11, 19, 35, 55, 59, 67, 77, 95, 133, 209, 295, 335, 385, 413, 469, 649, 665, 737, 1045, 1121, 1273, 1463, 2065, 2345, 3245, 3685, 3953, 4543, 5159, 5605, 6365, 7315, 7847, 8911, 12331, 14003, 19765, 22715, 25795, 27671, 39235, 43483, 44555, 61655, 70015, 75107, 86317, 98021, 138355, 217415, 304381, 375535, 431585, 490105, 525749, 826177, 1521905, 2628745, 4130885, 5783239, 28916195]

約数ペア:

[(1, 28916195), (5, 5783239), (7, 4130885), (11, 2628745), (19, 1521905), (35, 826177), (55, 525749), (59, 490105), (67, 431585), (77, 375535), (95, 304381), (133, 217415), (209, 138355), (295, 98021), (335, 86317), (385, 75107), (413, 70015), (469, 61655), (649, 44555), (665, 43483), (737, 39235), (1045, 27671), (1121, 25795), (1273, 22715), (1463, 19765), (2065, 14003), (2345, 12331), (3245, 8911), (3685, 7847), (3953, 7315), (4543, 6365), (5159, 5605)]