391685248

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{98711}}^1$

素因数の和:98756

約数の個数: 32

約数和(自身を含む): 805489920

約数和(自身を除く): 413804672

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 98711, 197422, 394844, 789688, 1579376, 3060041, 3158752, 6120082, 6317504, 12240164, 12635008, 24480328, 48960656, 97921312, 195842624, 391685248]

約数ペア:

[(1, 391685248), (2, 195842624), (4, 97921312), (8, 48960656), (16, 24480328), (31, 12635008), (32, 12240164), (62, 6317504), (64, 6120082), (124, 3158752), (128, 3060041), (248, 1579376), (496, 789688), (992, 394844), (1984, 197422), (3968, 98711)]