206921988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{761}}^1$

素因数の和:874

約数の個数: 144

約数和(自身を含む): 652369536

約数和(自身を除く): 445447548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 83, 84, 91, 117, 126, 156, 166, 182, 234, 249, 252, 273, 332, 364, 468, 498, 546, 581, 747, 761, 819, 996, 1079, 1092, 1162, 1494, 1522, 1638, 1743, 2158, 2283, 2324, 2988, 3044, 3237, 3276, 3486, 4316, 4566, 5229, 5327, 6474, 6849, 6972, 7553, 9132, 9711, 9893, 10458, 10654, 12948, 13698, 15106, 15981, 19422, 19786, 20916, 21308, 22659, 27396, 29679, 30212, 31962, 38844, 39572, 45318, 47943, 59358, 63163, 63924, 67977, 69251, 89037, 90636, 95886, 118716, 126326, 135954, 138502, 178074, 189489, 191772, 207753, 252652, 271908, 277004, 356148, 378978, 415506, 442141, 568467, 623259, 757956, 821119, 831012, 884282, 1136934, 1246518, 1326423, 1642238, 1768564, 2273868, 2463357, 2493036, 2652846, 3284476, 3979269, 4926714, 5305692, 5747833, 7390071, 7958538, 9853428, 11495666, 14780142, 15917076, 17243499, 22991332, 29560284, 34486998, 51730497, 68973996, 103460994, 206921988]

約数ペア:

[(1, 206921988), (2, 103460994), (3, 68973996), (4, 51730497), (6, 34486998), (7, 29560284), (9, 22991332), (12, 17243499), (13, 15917076), (14, 14780142), (18, 11495666), (21, 9853428), (26, 7958538), (28, 7390071), (36, 5747833), (39, 5305692), (42, 4926714), (52, 3979269), (63, 3284476), (78, 2652846), (83, 2493036), (84, 2463357), (91, 2273868), (117, 1768564), (126, 1642238), (156, 1326423), (166, 1246518), (182, 1136934), (234, 884282), (249, 831012), (252, 821119), (273, 757956), (332, 623259), (364, 568467), (468, 442141), (498, 415506), (546, 378978), (581, 356148), (747, 277004), (761, 271908), (819, 252652), (996, 207753), (1079, 191772), (1092, 189489), (1162, 178074), (1494, 138502), (1522, 135954), (1638, 126326), (1743, 118716), (2158, 95886), (2283, 90636), (2324, 89037), (2988, 69251), (3044, 67977), (3237, 63924), (3276, 63163), (3486, 59358), (4316, 47943), (4566, 45318), (5229, 39572), (5327, 38844), (6474, 31962), (6849, 30212), (6972, 29679), (7553, 27396), (9132, 22659), (9711, 21308), (9893, 20916), (10458, 19786), (10654, 19422), (12948, 15981), (13698, 15106)]