28211898

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 67060224

約数和(自身を除く): 38848326

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 131, 143, 251, 262, 286, 393, 429, 502, 753, 786, 858, 1441, 1506, 1703, 2761, 2882, 3263, 3406, 4323, 5109, 5522, 6526, 8283, 8646, 9789, 10218, 16566, 18733, 19578, 32881, 35893, 37466, 56199, 65762, 71786, 98643, 107679, 112398, 197286, 215358, 361691, 427453, 723382, 854906, 1085073, 1282359, 2170146, 2564718, 4701983, 9403966, 14105949, 28211898]

約数ペア:

[(1, 28211898), (2, 14105949), (3, 9403966), (6, 4701983), (11, 2564718), (13, 2170146), (22, 1282359), (26, 1085073), (33, 854906), (39, 723382), (66, 427453), (78, 361691), (131, 215358), (143, 197286), (251, 112398), (262, 107679), (286, 98643), (393, 71786), (429, 65762), (502, 56199), (753, 37466), (786, 35893), (858, 32881), (1441, 19578), (1506, 18733), (1703, 16566), (2761, 10218), (2882, 9789), (3263, 8646), (3406, 8283), (4323, 6526), (5109, 5522)]