28120304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:657

約数の個数: 40

約数和(自身を含む): 57741840

約数和(自身を除く): 29621536

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 233, 304, 397, 466, 794, 932, 1588, 1864, 3176, 3728, 4427, 6352, 7543, 8854, 15086, 17708, 30172, 35416, 60344, 70832, 92501, 120688, 185002, 370004, 740008, 1480016, 1757519, 3515038, 7030076, 14060152, 28120304]

約数ペア:

[(1, 28120304), (2, 14060152), (4, 7030076), (8, 3515038), (16, 1757519), (19, 1480016), (38, 740008), (76, 370004), (152, 185002), (233, 120688), (304, 92501), (397, 70832), (466, 60344), (794, 35416), (932, 30172), (1588, 17708), (1864, 15086), (3176, 8854), (3728, 7543), (4427, 6352)]