51778804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 128701440

約数和(自身を除く): 76922636

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 29, 31, 34, 44, 58, 62, 68, 77, 116, 119, 121, 124, 154, 187, 203, 217, 238, 242, 308, 319, 341, 374, 406, 434, 476, 484, 493, 527, 638, 682, 748, 812, 847, 868, 899, 986, 1054, 1276, 1309, 1364, 1694, 1798, 1972, 2057, 2108, 2233, 2387, 2618, 3388, 3451, 3509, 3596, 3689, 3751, 4114, 4466, 4774, 5236, 5423, 5797, 6293, 6902, 7018, 7378, 7502, 8228, 8932, 9548, 9889, 10846, 11594, 12586, 13804, 14036, 14399, 14756, 15004, 15283, 19778, 21692, 23188, 24563, 25172, 26257, 28798, 30566, 37961, 39556, 40579, 49126, 52514, 57596, 59653, 61132, 63767, 69223, 75922, 81158, 98252, 105028, 106981, 108779, 119306, 127534, 138446, 151844, 162316, 168113, 213962, 217558, 238612, 255068, 276892, 336226, 417571, 427924, 435116, 446369, 672452, 761453, 835142, 892738, 1176791, 1522906, 1670284, 1785476, 1849243, 2353582, 3045812, 3698486, 4707164, 7396972, 12944701, 25889402, 51778804]

約数ペア:

[(1, 51778804), (2, 25889402), (4, 12944701), (7, 7396972), (11, 4707164), (14, 3698486), (17, 3045812), (22, 2353582), (28, 1849243), (29, 1785476), (31, 1670284), (34, 1522906), (44, 1176791), (58, 892738), (62, 835142), (68, 761453), (77, 672452), (116, 446369), (119, 435116), (121, 427924), (124, 417571), (154, 336226), (187, 276892), (203, 255068), (217, 238612), (238, 217558), (242, 213962), (308, 168113), (319, 162316), (341, 151844), (374, 138446), (406, 127534), (434, 119306), (476, 108779), (484, 106981), (493, 105028), (527, 98252), (638, 81158), (682, 75922), (748, 69223), (812, 63767), (847, 61132), (868, 59653), (899, 57596), (986, 52514), (1054, 49126), (1276, 40579), (1309, 39556), (1364, 37961), (1694, 30566), (1798, 28798), (1972, 26257), (2057, 25172), (2108, 24563), (2233, 23188), (2387, 21692), (2618, 19778), (3388, 15283), (3451, 15004), (3509, 14756), (3596, 14399), (3689, 14036), (3751, 13804), (4114, 12586), (4466, 11594), (4774, 10846), (5236, 9889), (5423, 9548), (5797, 8932), (6293, 8228), (6902, 7502), (7018, 7378)]