28117936

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 70352640

約数和(自身を除く): 42234704

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 44, 56, 58, 77, 88, 112, 116, 154, 176, 203, 232, 308, 319, 406, 464, 616, 638, 787, 812, 1232, 1276, 1574, 1624, 2233, 2552, 3148, 3248, 4466, 5104, 5509, 6296, 8657, 8932, 11018, 12592, 17314, 17864, 22036, 22823, 34628, 35728, 44072, 45646, 60599, 69256, 88144, 91292, 121198, 138512, 159761, 182584, 242396, 251053, 319522, 365168, 484792, 502106, 639044, 969584, 1004212, 1278088, 1757371, 2008424, 2556176, 3514742, 4016848, 7029484, 14058968, 28117936]

約数ペア:

[(1, 28117936), (2, 14058968), (4, 7029484), (7, 4016848), (8, 3514742), (11, 2556176), (14, 2008424), (16, 1757371), (22, 1278088), (28, 1004212), (29, 969584), (44, 639044), (56, 502106), (58, 484792), (77, 365168), (88, 319522), (112, 251053), (116, 242396), (154, 182584), (176, 159761), (203, 138512), (232, 121198), (308, 91292), (319, 88144), (406, 69256), (464, 60599), (616, 45646), (638, 44072), (787, 35728), (812, 34628), (1232, 22823), (1276, 22036), (1574, 17864), (1624, 17314), (2233, 12592), (2552, 11018), (3148, 8932), (3248, 8657), (4466, 6296), (5104, 5509)]