86420128

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 175694400

約数和(自身を除く): 89274272

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 199, 328, 331, 398, 656, 662, 796, 1312, 1324, 1592, 2648, 3184, 5296, 6368, 8159, 10592, 13571, 16318, 27142, 32636, 54284, 65272, 65869, 108568, 130544, 131738, 217136, 261088, 263476, 434272, 526952, 1053904, 2107808, 2700629, 5401258, 10802516, 21605032, 43210064, 86420128]

約数ペア:

[(1, 86420128), (2, 43210064), (4, 21605032), (8, 10802516), (16, 5401258), (32, 2700629), (41, 2107808), (82, 1053904), (164, 526952), (199, 434272), (328, 263476), (331, 261088), (398, 217136), (656, 131738), (662, 130544), (796, 108568), (1312, 65869), (1324, 65272), (1592, 54284), (2648, 32636), (3184, 27142), (5296, 16318), (6368, 13571), (8159, 10592)]