66129028

素因数分解:

$2^2\times 7^3\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 136259200

約数和(自身を除く): 70130172

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 157, 196, 307, 314, 343, 614, 628, 686, 1099, 1228, 1372, 2149, 2198, 4298, 4396, 7693, 8596, 15043, 15386, 30086, 30772, 48199, 53851, 60172, 96398, 105301, 107702, 192796, 210602, 215404, 337393, 421204, 674786, 1349572, 2361751, 4723502, 9447004, 16532257, 33064514, 66129028]

約数ペア:

[(1, 66129028), (2, 33064514), (4, 16532257), (7, 9447004), (14, 4723502), (28, 2361751), (49, 1349572), (98, 674786), (157, 421204), (196, 337393), (307, 215404), (314, 210602), (343, 192796), (614, 107702), (628, 105301), (686, 96398), (1099, 60172), (1228, 53851), (1372, 48199), (2149, 30772), (2198, 30086), (4298, 15386), (4396, 15043), (7693, 8596)]