257438196

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{26783}}^1$

素因数の和:26885

約数の個数: 48

約数和(自身を含む): 674956800

約数和(自身を除く): 417518604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 178, 267, 356, 534, 801, 1068, 1602, 2403, 3204, 4806, 9612, 26783, 53566, 80349, 107132, 160698, 241047, 321396, 482094, 723141, 964188, 1446282, 2383687, 2892564, 4767374, 7151061, 9534748, 14302122, 21453183, 28604244, 42906366, 64359549, 85812732, 128719098, 257438196]

約数ペア:

[(1, 257438196), (2, 128719098), (3, 85812732), (4, 64359549), (6, 42906366), (9, 28604244), (12, 21453183), (18, 14302122), (27, 9534748), (36, 7151061), (54, 4767374), (89, 2892564), (108, 2383687), (178, 1446282), (267, 964188), (356, 723141), (534, 482094), (801, 321396), (1068, 241047), (1602, 160698), (2403, 107132), (3204, 80349), (4806, 53566), (9612, 26783)]