971882492

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{390001}}^1$

素因数の和:390101

約数の個数: 24

約数和(自身を含む): 1965610080

約数和(自身を除く): 993727588

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 390001, 780002, 1560004, 2730007, 5460014, 10920028, 34710089, 69420178, 138840356, 242970623, 485941246, 971882492]

約数ペア:

[(1, 971882492), (2, 485941246), (4, 242970623), (7, 138840356), (14, 69420178), (28, 34710089), (89, 10920028), (178, 5460014), (356, 2730007), (623, 1560004), (1246, 780002), (2492, 390001)]