257719592

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{11213}}^1$

素因数の和:11262

約数の個数: 48

約数和(自身を含む): 554083740

約数和(自身を除く): 296364148

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 338, 442, 676, 884, 1352, 1768, 2873, 5746, 11213, 11492, 22426, 22984, 44852, 89704, 145769, 190621, 291538, 381242, 583076, 762484, 1166152, 1524968, 1894997, 2478073, 3789994, 4956146, 7579988, 9912292, 15159976, 19824584, 32214949, 64429898, 128859796, 257719592]

約数ペア:

[(1, 257719592), (2, 128859796), (4, 64429898), (8, 32214949), (13, 19824584), (17, 15159976), (26, 9912292), (34, 7579988), (52, 4956146), (68, 3789994), (104, 2478073), (136, 1894997), (169, 1524968), (221, 1166152), (338, 762484), (442, 583076), (676, 381242), (884, 291538), (1352, 190621), (1768, 145769), (2873, 89704), (5746, 44852), (11213, 22984), (11492, 22426)]