664355444

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{2437}}^1$

素因数の和:2688

約数の個数: 48

約数和(自身を含む): 1302477120

約数和(自身を除く): 638121676

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 211, 323, 422, 646, 844, 1292, 2437, 3587, 4009, 4874, 7174, 8018, 9748, 14348, 16036, 41429, 46303, 68153, 82858, 92606, 136306, 165716, 185212, 272612, 514207, 787151, 1028414, 1574302, 2056828, 3148604, 8741519, 9769933, 17483038, 19539866, 34966076, 39079732, 166088861, 332177722, 664355444]

約数ペア:

[(1, 664355444), (2, 332177722), (4, 166088861), (17, 39079732), (19, 34966076), (34, 19539866), (38, 17483038), (68, 9769933), (76, 8741519), (211, 3148604), (323, 2056828), (422, 1574302), (646, 1028414), (844, 787151), (1292, 514207), (2437, 272612), (3587, 185212), (4009, 165716), (4874, 136306), (7174, 92606), (8018, 82858), (9748, 68153), (14348, 46303), (16036, 41429)]