31218292

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 68372640

約数和(自身を除く): 37154348

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 83, 98, 101, 133, 166, 196, 202, 266, 332, 404, 532, 581, 707, 931, 1162, 1414, 1577, 1862, 1919, 2324, 2828, 3154, 3724, 3838, 4067, 4949, 6308, 7676, 8134, 8383, 9898, 11039, 13433, 16268, 16766, 19796, 22078, 26866, 33532, 44156, 53732, 58681, 77273, 94031, 117362, 154546, 159277, 188062, 234724, 309092, 318554, 376124, 410767, 637108, 821534, 1114939, 1643068, 2229878, 4459756, 7804573, 15609146, 31218292]

約数ペア:

[(1, 31218292), (2, 15609146), (4, 7804573), (7, 4459756), (14, 2229878), (19, 1643068), (28, 1114939), (38, 821534), (49, 637108), (76, 410767), (83, 376124), (98, 318554), (101, 309092), (133, 234724), (166, 188062), (196, 159277), (202, 154546), (266, 117362), (332, 94031), (404, 77273), (532, 58681), (581, 53732), (707, 44156), (931, 33532), (1162, 26866), (1414, 22078), (1577, 19796), (1862, 16766), (1919, 16268), (2324, 13433), (2828, 11039), (3154, 9898), (3724, 8383), (3838, 8134), (4067, 7676), (4949, 6308)]