640954242

素因数分解:

$2^1\times 3^3\times {\mathrm{2251}}^1\times {\mathrm{5273}}^1$

素因数の和:7535

約数の個数: 32

約数和(自身を含む): 1425245760

約数和(自身を除く): 784291518

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2251, 4502, 5273, 6753, 10546, 13506, 15819, 20259, 31638, 40518, 47457, 60777, 94914, 121554, 142371, 284742, 11869523, 23739046, 35608569, 71217138, 106825707, 213651414, 320477121, 640954242]

約数ペア:

[(1, 640954242), (2, 320477121), (3, 213651414), (6, 106825707), (9, 71217138), (18, 35608569), (27, 23739046), (54, 11869523), (2251, 284742), (4502, 142371), (5273, 121554), (6753, 94914), (10546, 60777), (13506, 47457), (15819, 40518), (20259, 31638)]