489606978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{130981}}^1$

素因数の和:131082

約数の個数: 32

約数和(自身を含む): 1131684480

約数和(自身を除く): 642077502

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 267, 534, 623, 1246, 1869, 3738, 130981, 261962, 392943, 785886, 916867, 1833734, 2750601, 5501202, 11657309, 23314618, 34971927, 69943854, 81601163, 163202326, 244803489, 489606978]

約数ペア:

[(1, 489606978), (2, 244803489), (3, 163202326), (6, 81601163), (7, 69943854), (14, 34971927), (21, 23314618), (42, 11657309), (89, 5501202), (178, 2750601), (267, 1833734), (534, 916867), (623, 785886), (1246, 392943), (1869, 261962), (3738, 130981)]