217467328

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{261379}}^1$

素因数の和:261404

約数の個数: 28

約数和(自身を含む): 464733640

約数和(自身を除く): 247266312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 261379, 522758, 1045516, 2091032, 3397927, 4182064, 6795854, 8364128, 13591708, 16728256, 27183416, 54366832, 108733664, 217467328]

約数ペア:

[(1, 217467328), (2, 108733664), (4, 54366832), (8, 27183416), (13, 16728256), (16, 13591708), (26, 8364128), (32, 6795854), (52, 4182064), (64, 3397927), (104, 2091032), (208, 1045516), (416, 522758), (832, 261379)]