428529402

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{389}}^1\times {\mathrm{1249}}^1$

素因数の和:1660

約数の個数: 72

約数和(自身を含む): 1083712500

約数和(自身を除く): 655183098

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 389, 441, 778, 882, 1167, 1249, 2334, 2498, 2723, 3501, 3747, 5446, 7002, 7494, 8169, 8743, 11241, 16338, 17486, 19061, 22482, 24507, 26229, 38122, 49014, 52458, 57183, 61201, 78687, 114366, 122402, 157374, 171549, 183603, 343098, 367206, 485861, 550809, 971722, 1101618, 1457583, 2915166, 3401027, 4372749, 6802054, 8745498, 10203081, 20406162, 23807189, 30609243, 47614378, 61218486, 71421567, 142843134, 214264701, 428529402]

約数ペア:

[(1, 428529402), (2, 214264701), (3, 142843134), (6, 71421567), (7, 61218486), (9, 47614378), (14, 30609243), (18, 23807189), (21, 20406162), (42, 10203081), (49, 8745498), (63, 6802054), (98, 4372749), (126, 3401027), (147, 2915166), (294, 1457583), (389, 1101618), (441, 971722), (778, 550809), (882, 485861), (1167, 367206), (1249, 343098), (2334, 183603), (2498, 171549), (2723, 157374), (3501, 122402), (3747, 114366), (5446, 78687), (7002, 61201), (7494, 57183), (8169, 52458), (8743, 49014), (11241, 38122), (16338, 26229), (17486, 24507), (19061, 22482)]