2148866176

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{390419}}^1$

素因数の和:390476

約数の個数: 32

約数和(自身を含む): 4380512400

約数和(自身を除く): 2231646224

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 5504, 390419, 780838, 1561676, 3123352, 6246704, 12493408, 16788017, 24986816, 33576034, 49973632, 67152068, 134304136, 268608272, 537216544, 1074433088, 2148866176]

約数ペア:

[(1, 2148866176), (2, 1074433088), (4, 537216544), (8, 268608272), (16, 134304136), (32, 67152068), (43, 49973632), (64, 33576034), (86, 24986816), (128, 16788017), (172, 12493408), (344, 6246704), (688, 3123352), (1376, 1561676), (2752, 780838), (5504, 390419)]