161655858

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:589

約数の個数: 128

約数和(自身を含む): 449648640

約数和(自身を除く): 287992782

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 67, 78, 91, 117, 126, 134, 182, 189, 201, 234, 273, 351, 378, 402, 469, 491, 546, 603, 702, 819, 871, 938, 982, 1206, 1407, 1473, 1638, 1742, 1809, 2457, 2613, 2814, 2946, 3437, 3618, 4221, 4419, 4914, 5226, 6097, 6383, 6874, 7839, 8442, 8838, 10311, 12194, 12663, 12766, 13257, 15678, 18291, 19149, 20622, 23517, 25326, 26514, 30933, 32897, 36582, 38298, 44681, 47034, 54873, 57447, 61866, 65794, 89362, 92799, 98691, 109746, 114894, 134043, 164619, 172341, 185598, 197382, 230279, 268086, 296073, 329238, 344682, 402129, 427661, 460558, 592146, 690837, 804258, 855322, 888219, 1206387, 1282983, 1381674, 1776438, 2072511, 2412774, 2565966, 2993627, 3848949, 4145022, 5987254, 6217533, 7697898, 8980881, 11546847, 12435066, 17961762, 23093694, 26942643, 53885286, 80827929, 161655858]

約数ペア:

[(1, 161655858), (2, 80827929), (3, 53885286), (6, 26942643), (7, 23093694), (9, 17961762), (13, 12435066), (14, 11546847), (18, 8980881), (21, 7697898), (26, 6217533), (27, 5987254), (39, 4145022), (42, 3848949), (54, 2993627), (63, 2565966), (67, 2412774), (78, 2072511), (91, 1776438), (117, 1381674), (126, 1282983), (134, 1206387), (182, 888219), (189, 855322), (201, 804258), (234, 690837), (273, 592146), (351, 460558), (378, 427661), (402, 402129), (469, 344682), (491, 329238), (546, 296073), (603, 268086), (702, 230279), (819, 197382), (871, 185598), (938, 172341), (982, 164619), (1206, 134043), (1407, 114894), (1473, 109746), (1638, 98691), (1742, 92799), (1809, 89362), (2457, 65794), (2613, 61866), (2814, 57447), (2946, 54873), (3437, 47034), (3618, 44681), (4221, 38298), (4419, 36582), (4914, 32897), (5226, 30933), (6097, 26514), (6383, 25326), (6874, 23517), (7839, 20622), (8442, 19149), (8838, 18291), (10311, 15678), (12194, 13257), (12663, 12766)]