28785020456

素因数分解:

$2^3\times {\mathrm{199}}^1\times {\mathrm{1277}}^1\times {\mathrm{14159}}^1$

素因数の和:15641

約数の個数: 32

約数和(自身を含む): 54289440000

約数和(自身を除く): 25504419544

約数列:

[1, 2, 4, 8, 199, 398, 796, 1277, 1592, 2554, 5108, 10216, 14159, 28318, 56636, 113272, 254123, 508246, 1016492, 2032984, 2817641, 5635282, 11270564, 18081043, 22541128, 36162086, 72324172, 144648344, 3598127557, 7196255114, 14392510228, 28785020456]

約数ペア:

[(1, 28785020456), (2, 14392510228), (4, 7196255114), (8, 3598127557), (199, 144648344), (398, 72324172), (796, 36162086), (1277, 22541128), (1592, 18081043), (2554, 11270564), (5108, 5635282), (10216, 2817641), (14159, 2032984), (28318, 1016492), (56636, 508246), (113272, 254123)]