64647190

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 119322720

約数和(自身を除く): 54675530

約数列:

[1, 2, 5, 10, 61, 122, 131, 262, 305, 610, 655, 809, 1310, 1618, 4045, 7991, 8090, 15982, 39955, 49349, 79910, 98698, 105979, 211958, 246745, 493490, 529895, 1059790, 6464719, 12929438, 32323595, 64647190]

約数ペア:

[(1, 64647190), (2, 32323595), (5, 12929438), (10, 6464719), (61, 1059790), (122, 529895), (131, 493490), (262, 246745), (305, 211958), (610, 105979), (655, 98698), (809, 79910), (1310, 49349), (1618, 39955), (4045, 15982), (7991, 8090)]