205187042

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 359976960

約数和(自身を除く): 154789918

約数列:

[1, 2, 17, 19, 34, 38, 41, 61, 82, 122, 127, 254, 323, 646, 697, 779, 1037, 1159, 1394, 1558, 2074, 2159, 2318, 2413, 2501, 4318, 4826, 5002, 5207, 7747, 10414, 13243, 15494, 19703, 26486, 39406, 41021, 42517, 47519, 82042, 85034, 88519, 95038, 98933, 131699, 147193, 177038, 197866, 263398, 294386, 317627, 635254, 807823, 1615646, 1681861, 2502281, 3363722, 5004562, 5399659, 6034913, 10799318, 12069826, 102593521, 205187042]

約数ペア:

[(1, 205187042), (2, 102593521), (17, 12069826), (19, 10799318), (34, 6034913), (38, 5399659), (41, 5004562), (61, 3363722), (82, 2502281), (122, 1681861), (127, 1615646), (254, 807823), (323, 635254), (646, 317627), (697, 294386), (779, 263398), (1037, 197866), (1159, 177038), (1394, 147193), (1558, 131699), (2074, 98933), (2159, 95038), (2318, 88519), (2413, 85034), (2501, 82042), (4318, 47519), (4826, 42517), (5002, 41021), (5207, 39406), (7747, 26486), (10414, 19703), (13243, 15494)]