28761304

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 65479680

約数和(自身を除く): 36718376

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 248, 286, 341, 403, 572, 682, 806, 811, 1144, 1364, 1612, 1622, 2728, 3224, 3244, 4433, 6488, 8866, 8921, 10543, 17732, 17842, 21086, 25141, 35464, 35684, 42172, 50282, 71368, 84344, 100564, 115973, 201128, 231946, 276551, 326833, 463892, 553102, 653666, 927784, 1106204, 1307332, 2212408, 2614664, 3595163, 7190326, 14380652, 28761304]

約数ペア:

[(1, 28761304), (2, 14380652), (4, 7190326), (8, 3595163), (11, 2614664), (13, 2212408), (22, 1307332), (26, 1106204), (31, 927784), (44, 653666), (52, 553102), (62, 463892), (88, 326833), (104, 276551), (124, 231946), (143, 201128), (248, 115973), (286, 100564), (341, 84344), (403, 71368), (572, 50282), (682, 42172), (806, 35684), (811, 35464), (1144, 25141), (1364, 21086), (1612, 17842), (1622, 17732), (2728, 10543), (3224, 8921), (3244, 8866), (4433, 6488)]