28190124

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 74299680

約数和(自身を除く): 46109556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 71, 82, 123, 142, 164, 213, 246, 269, 284, 369, 426, 492, 538, 639, 738, 807, 852, 1076, 1278, 1476, 1614, 2421, 2556, 2911, 3228, 4842, 5822, 8733, 9684, 11029, 11644, 17466, 19099, 22058, 26199, 33087, 34932, 38198, 44116, 52398, 57297, 66174, 76396, 99261, 104796, 114594, 132348, 171891, 198522, 229188, 343782, 397044, 687564, 783059, 1566118, 2349177, 3132236, 4698354, 7047531, 9396708, 14095062, 28190124]

約数ペア:

[(1, 28190124), (2, 14095062), (3, 9396708), (4, 7047531), (6, 4698354), (9, 3132236), (12, 2349177), (18, 1566118), (36, 783059), (41, 687564), (71, 397044), (82, 343782), (123, 229188), (142, 198522), (164, 171891), (213, 132348), (246, 114594), (269, 104796), (284, 99261), (369, 76396), (426, 66174), (492, 57297), (538, 52398), (639, 44116), (738, 38198), (807, 34932), (852, 33087), (1076, 26199), (1278, 22058), (1476, 19099), (1614, 17466), (2421, 11644), (2556, 11029), (2911, 9684), (3228, 8733), (4842, 5822)]