251340784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{5669}}^1$

素因数の和:5857

約数の個数: 40

約数和(自身を含む): 518873040

約数和(自身を除く): 267532256

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 163, 272, 326, 652, 1304, 2608, 2771, 5542, 5669, 11084, 11338, 22168, 22676, 44336, 45352, 90704, 96373, 192746, 385492, 770984, 924047, 1541968, 1848094, 3696188, 7392376, 14784752, 15708799, 31417598, 62835196, 125670392, 251340784]

約数ペア:

[(1, 251340784), (2, 125670392), (4, 62835196), (8, 31417598), (16, 15708799), (17, 14784752), (34, 7392376), (68, 3696188), (136, 1848094), (163, 1541968), (272, 924047), (326, 770984), (652, 385492), (1304, 192746), (2608, 96373), (2771, 90704), (5542, 45352), (5669, 44336), (11084, 22676), (11338, 22168)]