128913876

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1009}}^1$

素因数の和:1055

約数の個数: 144

約数和(自身を含む): 414019200

約数和(自身を除く): 285105324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 169, 182, 189, 234, 252, 273, 338, 351, 364, 378, 468, 507, 546, 676, 702, 756, 819, 1009, 1014, 1092, 1183, 1404, 1521, 1638, 2018, 2028, 2366, 2457, 3027, 3042, 3276, 3549, 4036, 4563, 4732, 4914, 6054, 6084, 7063, 7098, 9081, 9126, 9828, 10647, 12108, 13117, 14126, 14196, 18162, 18252, 21189, 21294, 26234, 27243, 28252, 31941, 36324, 39351, 42378, 42588, 52468, 54486, 63567, 63882, 78702, 84756, 91819, 108972, 118053, 127134, 127764, 157404, 170521, 183638, 190701, 236106, 254268, 275457, 341042, 354159, 367276, 381402, 472212, 511563, 550914, 682084, 708318, 762804, 826371, 1023126, 1101828, 1193647, 1416636, 1534689, 1652742, 2046252, 2387294, 2479113, 3069378, 3305484, 3580941, 4604067, 4774588, 4958226, 6138756, 7161882, 9208134, 9916452, 10742823, 14323764, 18416268, 21485646, 32228469, 42971292, 64456938, 128913876]

約数ペア:

[(1, 128913876), (2, 64456938), (3, 42971292), (4, 32228469), (6, 21485646), (7, 18416268), (9, 14323764), (12, 10742823), (13, 9916452), (14, 9208134), (18, 7161882), (21, 6138756), (26, 4958226), (27, 4774588), (28, 4604067), (36, 3580941), (39, 3305484), (42, 3069378), (52, 2479113), (54, 2387294), (63, 2046252), (78, 1652742), (84, 1534689), (91, 1416636), (108, 1193647), (117, 1101828), (126, 1023126), (156, 826371), (169, 762804), (182, 708318), (189, 682084), (234, 550914), (252, 511563), (273, 472212), (338, 381402), (351, 367276), (364, 354159), (378, 341042), (468, 275457), (507, 254268), (546, 236106), (676, 190701), (702, 183638), (756, 170521), (819, 157404), (1009, 127764), (1014, 127134), (1092, 118053), (1183, 108972), (1404, 91819), (1521, 84756), (1638, 78702), (2018, 63882), (2028, 63567), (2366, 54486), (2457, 52468), (3027, 42588), (3042, 42378), (3276, 39351), (3549, 36324), (4036, 31941), (4563, 28252), (4732, 27243), (4914, 26234), (6054, 21294), (6084, 21189), (7063, 18252), (7098, 18162), (9081, 14196), (9126, 14126), (9828, 13117), (10647, 12108)]