1640291253

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{1319}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 2326579200

約数和(自身を除く): 686287947

約数列:

[1, 3, 23, 67, 69, 201, 269, 807, 1319, 1541, 3957, 4623, 6187, 18023, 18561, 30337, 54069, 88373, 91011, 265119, 354811, 414529, 1064433, 1243587, 2032579, 6097737, 8160653, 23772337, 24481959, 71317011, 546763751, 1640291253]

約数ペア:

[(1, 1640291253), (3, 546763751), (23, 71317011), (67, 24481959), (69, 23772337), (201, 8160653), (269, 6097737), (807, 2032579), (1319, 1243587), (1541, 1064433), (3957, 414529), (4623, 354811), (6187, 265119), (18023, 91011), (18561, 88373), (30337, 54069)]