217659416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{31237}}^1$

素因数の和:31323

約数の個数: 32

約数和(自身を含む): 446078640

約数和(自身を除く): 228419224

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 31237, 62474, 124948, 249896, 406081, 812162, 1624324, 2092879, 3248648, 4185758, 8371516, 16743032, 27207427, 54414854, 108829708, 217659416]

約数ペア:

[(1, 217659416), (2, 108829708), (4, 54414854), (8, 27207427), (13, 16743032), (26, 8371516), (52, 4185758), (67, 3248648), (104, 2092879), (134, 1624324), (268, 812162), (536, 406081), (871, 249896), (1742, 124948), (3484, 62474), (6968, 31237)]