28437156

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 120

約数和(自身を含む): 82938240

約数和(自身を除く): 54501084

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 79, 81, 99, 101, 108, 132, 158, 162, 198, 202, 237, 297, 303, 316, 324, 396, 404, 474, 594, 606, 711, 869, 891, 909, 948, 1111, 1188, 1212, 1422, 1738, 1782, 1818, 2133, 2222, 2607, 2727, 2844, 3333, 3476, 3564, 3636, 4266, 4444, 5214, 5454, 6399, 6666, 7821, 7979, 8181, 8532, 9999, 10428, 10908, 12798, 13332, 15642, 15958, 16362, 19998, 23463, 23937, 25596, 29997, 31284, 31916, 32724, 39996, 46926, 47874, 59994, 70389, 71811, 87769, 89991, 93852, 95748, 119988, 140778, 143622, 175538, 179982, 215433, 263307, 281556, 287244, 351076, 359964, 430866, 526614, 646299, 789921, 861732, 1053228, 1292598, 1579842, 2369763, 2585196, 3159684, 4739526, 7109289, 9479052, 14218578, 28437156]

約数ペア:

[(1, 28437156), (2, 14218578), (3, 9479052), (4, 7109289), (6, 4739526), (9, 3159684), (11, 2585196), (12, 2369763), (18, 1579842), (22, 1292598), (27, 1053228), (33, 861732), (36, 789921), (44, 646299), (54, 526614), (66, 430866), (79, 359964), (81, 351076), (99, 287244), (101, 281556), (108, 263307), (132, 215433), (158, 179982), (162, 175538), (198, 143622), (202, 140778), (237, 119988), (297, 95748), (303, 93852), (316, 89991), (324, 87769), (396, 71811), (404, 70389), (474, 59994), (594, 47874), (606, 46926), (711, 39996), (869, 32724), (891, 31916), (909, 31284), (948, 29997), (1111, 25596), (1188, 23937), (1212, 23463), (1422, 19998), (1738, 16362), (1782, 15958), (1818, 15642), (2133, 13332), (2222, 12798), (2607, 10908), (2727, 10428), (2844, 9999), (3333, 8532), (3476, 8181), (3564, 7979), (3636, 7821), (4266, 6666), (4444, 6399), (5214, 5454)]