389063358

素因数分解:

$2^1\times 3^3\times {\mathrm{331}}^1\times {\mathrm{21767}}^1$

素因数の和:22109

約数の個数: 32

約数和(自身を含む): 867237120

約数和(自身を除く): 478173762

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 331, 662, 993, 1986, 2979, 5958, 8937, 17874, 21767, 43534, 65301, 130602, 195903, 391806, 587709, 1175418, 7204877, 14409754, 21614631, 43229262, 64843893, 129687786, 194531679, 389063358]

約数ペア:

[(1, 389063358), (2, 194531679), (3, 129687786), (6, 64843893), (9, 43229262), (18, 21614631), (27, 14409754), (54, 7204877), (331, 1175418), (662, 587709), (993, 391806), (1986, 195903), (2979, 130602), (5958, 65301), (8937, 43534), (17874, 21767)]