331348828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71473}}^1$

素因数の和:71557

約数の個数: 24

約数和(自身を含む): 620394320

約数和(自身を除く): 289045492

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 71473, 142946, 285892, 1357987, 2715974, 4359853, 5431948, 8719706, 17439412, 82837207, 165674414, 331348828]

約数ペア:

[(1, 331348828), (2, 165674414), (4, 82837207), (19, 17439412), (38, 8719706), (61, 5431948), (76, 4359853), (122, 2715974), (244, 1357987), (1159, 285892), (2318, 142946), (4636, 71473)]