646374378

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{26993}}^1$

素因数の和:27318

約数の個数: 32

約数和(自身を含む): 1396777536

約数和(自身を除く): 750403158

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 307, 614, 921, 1842, 3991, 7982, 11973, 23946, 26993, 53986, 80979, 161958, 350909, 701818, 1052727, 2105454, 8286851, 16573702, 24860553, 49721106, 107729063, 215458126, 323187189, 646374378]

約数ペア:

[(1, 646374378), (2, 323187189), (3, 215458126), (6, 107729063), (13, 49721106), (26, 24860553), (39, 16573702), (78, 8286851), (307, 2105454), (614, 1052727), (921, 701818), (1842, 350909), (3991, 161958), (7982, 80979), (11973, 53986), (23946, 26993)]