163781618

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 360495360

約数和(自身を除く): 196713742

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 29, 31, 49, 58, 62, 77, 91, 98, 143, 154, 169, 182, 203, 217, 286, 319, 338, 341, 377, 403, 406, 434, 539, 637, 638, 682, 754, 806, 899, 1001, 1078, 1183, 1274, 1421, 1519, 1798, 1859, 2002, 2233, 2366, 2387, 2639, 2821, 2842, 3038, 3718, 4147, 4433, 4466, 4774, 4901, 5239, 5278, 5642, 6293, 7007, 8281, 8294, 8866, 9802, 9889, 10478, 11687, 12586, 13013, 14014, 15631, 16562, 16709, 18473, 19747, 19778, 23374, 26026, 29029, 31031, 31262, 33418, 34307, 36673, 36946, 39494, 44051, 53911, 57629, 58058, 62062, 68614, 69223, 73346, 81809, 88102, 91091, 107822, 115258, 128557, 138446, 151931, 163618, 182182, 203203, 217217, 240149, 256711, 257114, 303862, 377377, 403403, 406406, 434434, 480298, 484561, 513422, 572663, 754754, 806806, 899899, 969122, 1063517, 1145326, 1671241, 1799798, 2127034, 2641639, 2823821, 3342482, 5283278, 5647642, 6299293, 7444619, 11698687, 12598586, 14889238, 23397374, 81890809, 163781618]

約数ペア:

[(1, 163781618), (2, 81890809), (7, 23397374), (11, 14889238), (13, 12598586), (14, 11698687), (22, 7444619), (26, 6299293), (29, 5647642), (31, 5283278), (49, 3342482), (58, 2823821), (62, 2641639), (77, 2127034), (91, 1799798), (98, 1671241), (143, 1145326), (154, 1063517), (169, 969122), (182, 899899), (203, 806806), (217, 754754), (286, 572663), (319, 513422), (338, 484561), (341, 480298), (377, 434434), (403, 406406), (406, 403403), (434, 377377), (539, 303862), (637, 257114), (638, 256711), (682, 240149), (754, 217217), (806, 203203), (899, 182182), (1001, 163618), (1078, 151931), (1183, 138446), (1274, 128557), (1421, 115258), (1519, 107822), (1798, 91091), (1859, 88102), (2002, 81809), (2233, 73346), (2366, 69223), (2387, 68614), (2639, 62062), (2821, 58058), (2842, 57629), (3038, 53911), (3718, 44051), (4147, 39494), (4433, 36946), (4466, 36673), (4774, 34307), (4901, 33418), (5239, 31262), (5278, 31031), (5642, 29029), (6293, 26026), (7007, 23374), (8281, 19778), (8294, 19747), (8866, 18473), (9802, 16709), (9889, 16562), (10478, 15631), (11687, 14014), (12586, 13013)]