338978848

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{3299}}^1$

素因数の和:3354

約数の個数: 72

約数和(自身を含む): 760914000

約数和(自身を除く): 421935152

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 416, 494, 608, 676, 988, 1352, 1976, 2704, 3211, 3299, 3952, 5408, 6422, 6598, 7904, 12844, 13196, 25688, 26392, 42887, 51376, 52784, 62681, 85774, 102752, 105568, 125362, 171548, 250724, 343096, 501448, 557531, 686192, 814853, 1002896, 1115062, 1372384, 1629706, 2005792, 2230124, 3259412, 4460248, 6518824, 8920496, 10593089, 13037648, 17840992, 21186178, 26075296, 42372356, 84744712, 169489424, 338978848]

約数ペア:

[(1, 338978848), (2, 169489424), (4, 84744712), (8, 42372356), (13, 26075296), (16, 21186178), (19, 17840992), (26, 13037648), (32, 10593089), (38, 8920496), (52, 6518824), (76, 4460248), (104, 3259412), (152, 2230124), (169, 2005792), (208, 1629706), (247, 1372384), (304, 1115062), (338, 1002896), (416, 814853), (494, 686192), (608, 557531), (676, 501448), (988, 343096), (1352, 250724), (1976, 171548), (2704, 125362), (3211, 105568), (3299, 102752), (3952, 85774), (5408, 62681), (6422, 52784), (6598, 51376), (7904, 42887), (12844, 26392), (13196, 25688)]