997201408

素因数分解:

$2^9\times 7^1\times {\mathrm{278237}}^1$

素因数の和:278262

約数の個数: 40

約数和(自身を含む): 2277099792

約数和(自身を除く): 1279898384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 278237, 556474, 1112948, 1947659, 2225896, 3895318, 4451792, 7790636, 8903584, 15581272, 17807168, 31162544, 35614336, 62325088, 71228672, 124650176, 142457344, 249300352, 498600704, 997201408]

約数ペア:

[(1, 997201408), (2, 498600704), (4, 249300352), (7, 142457344), (8, 124650176), (14, 71228672), (16, 62325088), (28, 35614336), (32, 31162544), (56, 17807168), (64, 15581272), (112, 8903584), (128, 7790636), (224, 4451792), (256, 3895318), (448, 2225896), (512, 1947659), (896, 1112948), (1792, 556474), (3584, 278237)]