28891808

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 62506080

約数和(自身を除く): 33614272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 211, 352, 389, 422, 778, 844, 1556, 1688, 2321, 3112, 3376, 4279, 4642, 6224, 6752, 8558, 9284, 12448, 17116, 18568, 34232, 37136, 68464, 74272, 82079, 136928, 164158, 328316, 656632, 902869, 1313264, 1805738, 2626528, 3611476, 7222952, 14445904, 28891808]

約数ペア:

[(1, 28891808), (2, 14445904), (4, 7222952), (8, 3611476), (11, 2626528), (16, 1805738), (22, 1313264), (32, 902869), (44, 656632), (88, 328316), (176, 164158), (211, 136928), (352, 82079), (389, 74272), (422, 68464), (778, 37136), (844, 34232), (1556, 18568), (1688, 17116), (2321, 12448), (3112, 9284), (3376, 8558), (4279, 6752), (4642, 6224)]