28931188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1367}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 61133184

約数和(自身を除く): 32201996

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 407, 481, 572, 814, 962, 1367, 1628, 1924, 2734, 5291, 5468, 10582, 15037, 17771, 21164, 30074, 35542, 50579, 60148, 71084, 101158, 195481, 202316, 390962, 556369, 657527, 781924, 1112738, 1315054, 2225476, 2630108, 7232797, 14465594, 28931188]

約数ペア:

[(1, 28931188), (2, 14465594), (4, 7232797), (11, 2630108), (13, 2225476), (22, 1315054), (26, 1112738), (37, 781924), (44, 657527), (52, 556369), (74, 390962), (143, 202316), (148, 195481), (286, 101158), (407, 71084), (481, 60148), (572, 50579), (814, 35542), (962, 30074), (1367, 21164), (1628, 17771), (1924, 15037), (2734, 10582), (5291, 5468)]