90811679

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 112250880

約数和(自身を除く): 21439201

約数列:

[1, 7, 31, 41, 59, 173, 217, 287, 413, 1211, 1271, 1829, 2419, 5363, 7093, 8897, 10207, 12803, 16933, 37541, 49651, 71449, 74989, 219883, 316417, 418487, 524923, 1539181, 2214919, 2929409, 12973097, 90811679]

約数ペア:

[(1, 90811679), (7, 12973097), (31, 2929409), (41, 2214919), (59, 1539181), (173, 524923), (217, 418487), (287, 316417), (413, 219883), (1211, 74989), (1271, 71449), (1829, 49651), (2419, 37541), (5363, 16933), (7093, 12803), (8897, 10207)]