262430128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{27847}}^1$

素因数の和:27905

約数の個数: 40

約数和(自身を含む): 552504320

約数和(自身を除く): 290074192

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 27847, 55694, 111388, 222776, 445552, 529093, 863257, 1058186, 1726514, 2116372, 3453028, 4232744, 6906056, 8465488, 13812112, 16401883, 32803766, 65607532, 131215064, 262430128]

約数ペア:

[(1, 262430128), (2, 131215064), (4, 65607532), (8, 32803766), (16, 16401883), (19, 13812112), (31, 8465488), (38, 6906056), (62, 4232744), (76, 3453028), (124, 2116372), (152, 1726514), (248, 1058186), (304, 863257), (496, 529093), (589, 445552), (1178, 222776), (2356, 111388), (4712, 55694), (9424, 27847)]