7928154

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1993}}^1$

素因数の和:2031

約数の個数: 48

約数和(自身を含む): 19597032

約数和(自身を除く): 11668878

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 1993, 3978, 3986, 5979, 11958, 17937, 25909, 33881, 35874, 51818, 67762, 77727, 101643, 155454, 203286, 233181, 304929, 440453, 466362, 609858, 880906, 1321359, 2642718, 3964077, 7928154]

約数ペア:

[(1, 7928154), (2, 3964077), (3, 2642718), (6, 1321359), (9, 880906), (13, 609858), (17, 466362), (18, 440453), (26, 304929), (34, 233181), (39, 203286), (51, 155454), (78, 101643), (102, 77727), (117, 67762), (153, 51818), (221, 35874), (234, 33881), (306, 25909), (442, 17937), (663, 11958), (1326, 5979), (1989, 3986), (1993, 3978)]