87451806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 198051840

約数和(自身を除く): 110600034

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 59, 62, 78, 93, 118, 177, 186, 354, 403, 613, 767, 806, 1209, 1226, 1534, 1829, 1839, 2301, 2418, 3658, 3678, 4602, 5487, 7969, 10974, 15938, 19003, 23777, 23907, 36167, 38006, 47554, 47814, 57009, 71331, 72334, 108501, 114018, 142662, 217002, 247039, 470171, 494078, 741117, 940342, 1121177, 1410513, 1482234, 2242354, 2821026, 3363531, 6727062, 14575301, 29150602, 43725903, 87451806]

約数ペア:

[(1, 87451806), (2, 43725903), (3, 29150602), (6, 14575301), (13, 6727062), (26, 3363531), (31, 2821026), (39, 2242354), (59, 1482234), (62, 1410513), (78, 1121177), (93, 940342), (118, 741117), (177, 494078), (186, 470171), (354, 247039), (403, 217002), (613, 142662), (767, 114018), (806, 108501), (1209, 72334), (1226, 71331), (1534, 57009), (1829, 47814), (1839, 47554), (2301, 38006), (2418, 36167), (3658, 23907), (3678, 23777), (4602, 19003), (5487, 15938), (7969, 10974)]