28423516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 56504448

約数和(自身を除く): 28080932

約数列:

[1, 2, 4, 11, 22, 43, 44, 83, 86, 166, 172, 181, 332, 362, 473, 724, 913, 946, 1826, 1892, 1991, 3569, 3652, 3982, 7138, 7783, 7964, 14276, 15023, 15566, 30046, 31132, 39259, 60092, 78518, 85613, 157036, 165253, 171226, 330506, 342452, 645989, 661012, 1291978, 2583956, 7105879, 14211758, 28423516]

約数ペア:

[(1, 28423516), (2, 14211758), (4, 7105879), (11, 2583956), (22, 1291978), (43, 661012), (44, 645989), (83, 342452), (86, 330506), (166, 171226), (172, 165253), (181, 157036), (332, 85613), (362, 78518), (473, 60092), (724, 39259), (913, 31132), (946, 30046), (1826, 15566), (1892, 15023), (1991, 14276), (3569, 7964), (3652, 7783), (3982, 7138)]