389767672

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4637}}^1$

素因数の和:4748

約数の個数: 64

約数和(自身を含む): 890496000

約数和(自身を除く): 500728328

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 79, 133, 152, 158, 266, 316, 532, 553, 632, 1064, 1106, 1501, 2212, 3002, 4424, 4637, 6004, 9274, 10507, 12008, 18548, 21014, 32459, 37096, 42028, 64918, 84056, 88103, 129836, 176206, 259672, 352412, 366323, 616721, 704824, 732646, 1233442, 1465292, 2466884, 2564261, 2930584, 4933768, 5128522, 6960137, 10257044, 13920274, 20514088, 27840548, 48720959, 55681096, 97441918, 194883836, 389767672]

約数ペア:

[(1, 389767672), (2, 194883836), (4, 97441918), (7, 55681096), (8, 48720959), (14, 27840548), (19, 20514088), (28, 13920274), (38, 10257044), (56, 6960137), (76, 5128522), (79, 4933768), (133, 2930584), (152, 2564261), (158, 2466884), (266, 1465292), (316, 1233442), (532, 732646), (553, 704824), (632, 616721), (1064, 366323), (1106, 352412), (1501, 259672), (2212, 176206), (3002, 129836), (4424, 88103), (4637, 84056), (6004, 64918), (9274, 42028), (10507, 37096), (12008, 32459), (18548, 21014)]