81381768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4421}}^1$

素因数の和:4502

約数の個数: 64

約数和(自身を含む): 222868800

約数和(自身を除く): 141487032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 59, 78, 104, 118, 156, 177, 236, 312, 354, 472, 708, 767, 1416, 1534, 2301, 3068, 4421, 4602, 6136, 8842, 9204, 13263, 17684, 18408, 26526, 35368, 53052, 57473, 106104, 114946, 172419, 229892, 260839, 344838, 459784, 521678, 689676, 782517, 1043356, 1379352, 1565034, 2086712, 3130068, 3390907, 6260136, 6781814, 10172721, 13563628, 20345442, 27127256, 40690884, 81381768]

約数ペア:

[(1, 81381768), (2, 40690884), (3, 27127256), (4, 20345442), (6, 13563628), (8, 10172721), (12, 6781814), (13, 6260136), (24, 3390907), (26, 3130068), (39, 2086712), (52, 1565034), (59, 1379352), (78, 1043356), (104, 782517), (118, 689676), (156, 521678), (177, 459784), (236, 344838), (312, 260839), (354, 229892), (472, 172419), (708, 114946), (767, 106104), (1416, 57473), (1534, 53052), (2301, 35368), (3068, 26526), (4421, 18408), (4602, 17684), (6136, 13263), (8842, 9204)]