28773738

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{467}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 73681920

約数和(自身を除く): 44908182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 163, 189, 326, 378, 467, 489, 934, 978, 1141, 1401, 1467, 2282, 2802, 2934, 3269, 3423, 4203, 4401, 6538, 6846, 8406, 8802, 9807, 10269, 12609, 19614, 20538, 25218, 29421, 30807, 58842, 61614, 76121, 88263, 152242, 176526, 228363, 456726, 532847, 685089, 1065694, 1370178, 1598541, 2055267, 3197082, 4110534, 4795623, 9591246, 14386869, 28773738]

約数ペア:

[(1, 28773738), (2, 14386869), (3, 9591246), (6, 4795623), (7, 4110534), (9, 3197082), (14, 2055267), (18, 1598541), (21, 1370178), (27, 1065694), (42, 685089), (54, 532847), (63, 456726), (126, 228363), (163, 176526), (189, 152242), (326, 88263), (378, 76121), (467, 61614), (489, 58842), (934, 30807), (978, 29421), (1141, 25218), (1401, 20538), (1467, 19614), (2282, 12609), (2802, 10269), (2934, 9807), (3269, 8802), (3423, 8406), (4203, 6846), (4401, 6538)]