256720793468

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{509}}^1\times {\mathrm{5651}}^1$

素因数の和:6638

約数の個数: 48

約数和(自身を含む): 459808060320

約数和(自身を除く): 203087266852

約数列:

[1, 2, 4, 53, 106, 212, 421, 509, 842, 1018, 1684, 2036, 5651, 11302, 22313, 22604, 26977, 44626, 53954, 89252, 107908, 214289, 299503, 428578, 599006, 857156, 1198012, 2379071, 2876359, 4758142, 5752718, 9516284, 11357317, 11505436, 22714634, 45429268, 126090763, 152447027, 252181526, 304894054, 504363052, 609788108, 1210947139, 2421894278, 4843788556, 64180198367, 128360396734, 256720793468]

約数ペア:

[(1, 256720793468), (2, 128360396734), (4, 64180198367), (53, 4843788556), (106, 2421894278), (212, 1210947139), (421, 609788108), (509, 504363052), (842, 304894054), (1018, 252181526), (1684, 152447027), (2036, 126090763), (5651, 45429268), (11302, 22714634), (22313, 11505436), (22604, 11357317), (26977, 9516284), (44626, 5752718), (53954, 4758142), (89252, 2876359), (107908, 2379071), (214289, 1198012), (299503, 857156), (428578, 599006)]