81388328

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18397}}^1$

素因数の和:18489

約数の個数: 32

約数和(自身を含む): 176620800

約数和(自身を除く): 95232472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 18397, 36794, 73588, 128779, 147176, 257558, 515116, 1030232, 1453363, 2906726, 5813452, 10173541, 11626904, 20347082, 40694164, 81388328]

約数ペア:

[(1, 81388328), (2, 40694164), (4, 20347082), (7, 11626904), (8, 10173541), (14, 5813452), (28, 2906726), (56, 1453363), (79, 1030232), (158, 515116), (316, 257558), (553, 147176), (632, 128779), (1106, 73588), (2212, 36794), (4424, 18397)]