31921308

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1283

約数の個数: 72

約数和(自身を含む): 87495408

約数和(自身を除く): 55574100

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 43, 51, 68, 86, 102, 129, 153, 172, 204, 258, 306, 387, 516, 612, 731, 774, 1213, 1462, 1548, 2193, 2426, 2924, 3639, 4386, 4852, 6579, 7278, 8772, 10917, 13158, 14556, 20621, 21834, 26316, 41242, 43668, 52159, 61863, 82484, 104318, 123726, 156477, 185589, 208636, 247452, 312954, 371178, 469431, 625908, 742356, 886703, 938862, 1773406, 1877724, 2660109, 3546812, 5320218, 7980327, 10640436, 15960654, 31921308]

約数ペア:

[(1, 31921308), (2, 15960654), (3, 10640436), (4, 7980327), (6, 5320218), (9, 3546812), (12, 2660109), (17, 1877724), (18, 1773406), (34, 938862), (36, 886703), (43, 742356), (51, 625908), (68, 469431), (86, 371178), (102, 312954), (129, 247452), (153, 208636), (172, 185589), (204, 156477), (258, 123726), (306, 104318), (387, 82484), (516, 61863), (612, 52159), (731, 43668), (774, 41242), (1213, 26316), (1462, 21834), (1548, 20621), (2193, 14556), (2426, 13158), (2924, 10917), (3639, 8772), (4386, 7278), (4852, 6579)]