2491157768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{31489}}^1$

素因数の和:31566

約数の個数: 64

約数和(自身を含む): 5441472000

約数和(自身を除く): 2950314232

約数列:

[1, 2, 4, 8, 11, 22, 29, 31, 44, 58, 62, 88, 116, 124, 232, 248, 319, 341, 638, 682, 899, 1276, 1364, 1798, 2552, 2728, 3596, 7192, 9889, 19778, 31489, 39556, 62978, 79112, 125956, 251912, 346379, 692758, 913181, 976159, 1385516, 1826362, 1952318, 2771032, 3652724, 3904636, 7305448, 7809272, 10044991, 10737749, 20089982, 21475498, 28308611, 40179964, 42950996, 56617222, 80359928, 85901992, 113234444, 226468888, 311394721, 622789442, 1245578884, 2491157768]

約数ペア:

[(1, 2491157768), (2, 1245578884), (4, 622789442), (8, 311394721), (11, 226468888), (22, 113234444), (29, 85901992), (31, 80359928), (44, 56617222), (58, 42950996), (62, 40179964), (88, 28308611), (116, 21475498), (124, 20089982), (232, 10737749), (248, 10044991), (319, 7809272), (341, 7305448), (638, 3904636), (682, 3652724), (899, 2771032), (1276, 1952318), (1364, 1826362), (1798, 1385516), (2552, 976159), (2728, 913181), (3596, 692758), (7192, 346379), (9889, 251912), (19778, 125956), (31489, 79112), (39556, 62978)]