258889246

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 521109504

約数和(自身を除く): 262220258

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 61, 62, 77, 98, 122, 127, 154, 217, 254, 341, 427, 434, 539, 671, 682, 854, 889, 1078, 1342, 1397, 1519, 1778, 1891, 2387, 2794, 2989, 3038, 3782, 3937, 4697, 4774, 5978, 6223, 7747, 7874, 9394, 9779, 12446, 13237, 15494, 16709, 19558, 20801, 26474, 27559, 32879, 33418, 41602, 43307, 54229, 55118, 65758, 68453, 85217, 86614, 92659, 108458, 136906, 145607, 170434, 185318, 192913, 240157, 291214, 303149, 379603, 385826, 480314, 596519, 606298, 759206, 1019249, 1193038, 1681099, 2038498, 2122043, 2641727, 3362198, 4175633, 4244086, 5283454, 8351266, 11767693, 18492089, 23535386, 36984178, 129444623, 258889246]

約数ペア:

[(1, 258889246), (2, 129444623), (7, 36984178), (11, 23535386), (14, 18492089), (22, 11767693), (31, 8351266), (49, 5283454), (61, 4244086), (62, 4175633), (77, 3362198), (98, 2641727), (122, 2122043), (127, 2038498), (154, 1681099), (217, 1193038), (254, 1019249), (341, 759206), (427, 606298), (434, 596519), (539, 480314), (671, 385826), (682, 379603), (854, 303149), (889, 291214), (1078, 240157), (1342, 192913), (1397, 185318), (1519, 170434), (1778, 145607), (1891, 136906), (2387, 108458), (2794, 92659), (2989, 86614), (3038, 85217), (3782, 68453), (3937, 65758), (4697, 55118), (4774, 54229), (5978, 43307), (6223, 41602), (7747, 33418), (7874, 32879), (9394, 27559), (9779, 26474), (12446, 20801), (13237, 19558), (15494, 16709)]