428652

素因数分解:

$2^2\times 3^7\times 7^2$

素因数の和:39

約数の個数: 72

約数和(自身を含む): 1308720

約数和(自身を除く): 880068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 243, 252, 294, 324, 378, 441, 486, 567, 588, 729, 756, 882, 972, 1134, 1323, 1458, 1701, 1764, 2187, 2268, 2646, 2916, 3402, 3969, 4374, 5103, 5292, 6804, 7938, 8748, 10206, 11907, 15309, 15876, 20412, 23814, 30618, 35721, 47628, 61236, 71442, 107163, 142884, 214326, 428652]

約数ペア:

[(1, 428652), (2, 214326), (3, 142884), (4, 107163), (6, 71442), (7, 61236), (9, 47628), (12, 35721), (14, 30618), (18, 23814), (21, 20412), (27, 15876), (28, 15309), (36, 11907), (42, 10206), (49, 8748), (54, 7938), (63, 6804), (81, 5292), (84, 5103), (98, 4374), (108, 3969), (126, 3402), (147, 2916), (162, 2646), (189, 2268), (196, 2187), (243, 1764), (252, 1701), (294, 1458), (324, 1323), (378, 1134), (441, 972), (486, 882), (567, 756), (588, 729)]