81065916

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 210370160

約数和(自身を除く): 129304244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 109, 146, 218, 219, 283, 292, 327, 436, 438, 566, 654, 657, 849, 876, 981, 1132, 1308, 1314, 1698, 1962, 2547, 2628, 3396, 3924, 5094, 7957, 10188, 15914, 20659, 23871, 30847, 31828, 41318, 47742, 61694, 61977, 71613, 82636, 92541, 95484, 123388, 123954, 143226, 185082, 185931, 247908, 277623, 286452, 370164, 371862, 555246, 743724, 1110492, 2251831, 4503662, 6755493, 9007324, 13510986, 20266479, 27021972, 40532958, 81065916]

約数ペア:

[(1, 81065916), (2, 40532958), (3, 27021972), (4, 20266479), (6, 13510986), (9, 9007324), (12, 6755493), (18, 4503662), (36, 2251831), (73, 1110492), (109, 743724), (146, 555246), (218, 371862), (219, 370164), (283, 286452), (292, 277623), (327, 247908), (436, 185931), (438, 185082), (566, 143226), (654, 123954), (657, 123388), (849, 95484), (876, 92541), (981, 82636), (1132, 71613), (1308, 61977), (1314, 61694), (1698, 47742), (1962, 41318), (2547, 31828), (2628, 30847), (3396, 23871), (3924, 20659), (5094, 15914), (7957, 10188)]