247497130

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1\times {\mathrm{643}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 454220928

約数和(自身を除く): 206723798

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 631, 643, 1262, 1286, 3155, 3215, 6310, 6430, 38491, 39223, 76982, 78446, 192455, 196115, 384910, 392230, 405733, 811466, 2028665, 4057330, 24749713, 49499426, 123748565, 247497130]

約数ペア:

[(1, 247497130), (2, 123748565), (5, 49499426), (10, 24749713), (61, 4057330), (122, 2028665), (305, 811466), (610, 405733), (631, 392230), (643, 384910), (1262, 196115), (1286, 192455), (3155, 78446), (3215, 76982), (6310, 39223), (6430, 38491)]