2787340451

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 3669120000

約数和(自身を除く): 881779549

約数列:

[1, 7, 17, 19, 49, 119, 133, 139, 181, 323, 343, 833, 931, 973, 1267, 2261, 2363, 2641, 3077, 3439, 5831, 6517, 6811, 8869, 15827, 16541, 18487, 21539, 24073, 25159, 44897, 47677, 58463, 62083, 110789, 115787, 129409, 150773, 168511, 176113, 314279, 409241, 427703, 478021, 810509, 905863, 1055411, 1179577, 1232791, 2199953, 2864687, 2993921, 3346147, 8126357, 8629537, 15399671, 20052809, 20957447, 23423029, 56884499, 146702129, 163961203, 398191493, 2787340451]

約数ペア:

[(1, 2787340451), (7, 398191493), (17, 163961203), (19, 146702129), (49, 56884499), (119, 23423029), (133, 20957447), (139, 20052809), (181, 15399671), (323, 8629537), (343, 8126357), (833, 3346147), (931, 2993921), (973, 2864687), (1267, 2199953), (2261, 1232791), (2363, 1179577), (2641, 1055411), (3077, 905863), (3439, 810509), (5831, 478021), (6517, 427703), (6811, 409241), (8869, 314279), (15827, 176113), (16541, 168511), (18487, 150773), (21539, 129409), (24073, 115787), (25159, 110789), (44897, 62083), (47677, 58463)]