28211612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 62920704

約数和(自身を除く): 34709092

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 37, 43, 44, 52, 62, 74, 86, 124, 143, 148, 172, 286, 341, 403, 407, 473, 481, 559, 572, 682, 806, 814, 946, 962, 1118, 1147, 1333, 1364, 1591, 1612, 1628, 1892, 1924, 2236, 2294, 2666, 3182, 4433, 4588, 5291, 5332, 6149, 6364, 8866, 10582, 12298, 12617, 14663, 14911, 17329, 17501, 17732, 20683, 21164, 24596, 25234, 29326, 29822, 34658, 35002, 41366, 49321, 50468, 58652, 59644, 69316, 70004, 82732, 98642, 164021, 190619, 197284, 227513, 328042, 381238, 455026, 542531, 641173, 656084, 762476, 910052, 1085062, 1282346, 2170124, 2564692, 7052903, 14105806, 28211612]

約数ペア:

[(1, 28211612), (2, 14105806), (4, 7052903), (11, 2564692), (13, 2170124), (22, 1282346), (26, 1085062), (31, 910052), (37, 762476), (43, 656084), (44, 641173), (52, 542531), (62, 455026), (74, 381238), (86, 328042), (124, 227513), (143, 197284), (148, 190619), (172, 164021), (286, 98642), (341, 82732), (403, 70004), (407, 69316), (473, 59644), (481, 58652), (559, 50468), (572, 49321), (682, 41366), (806, 35002), (814, 34658), (946, 29822), (962, 29326), (1118, 25234), (1147, 24596), (1333, 21164), (1364, 20683), (1591, 17732), (1612, 17501), (1628, 17329), (1892, 14911), (1924, 14663), (2236, 12617), (2294, 12298), (2666, 10582), (3182, 8866), (4433, 6364), (4588, 6149), (5291, 5332)]