28721784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13151}}^1$

素因数の和:13180

約数の個数: 64

約数和(自身を含む): 88381440

約数和(自身を除く): 59659656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 13151, 26302, 39453, 52604, 78906, 92057, 105208, 157812, 170963, 184114, 276171, 315624, 341926, 368228, 512889, 552342, 683852, 736456, 1025778, 1104684, 1196741, 1367704, 2051556, 2209368, 2393482, 3590223, 4103112, 4786964, 7180446, 9573928, 14360892, 28721784]

約数ペア:

[(1, 28721784), (2, 14360892), (3, 9573928), (4, 7180446), (6, 4786964), (7, 4103112), (8, 3590223), (12, 2393482), (13, 2209368), (14, 2051556), (21, 1367704), (24, 1196741), (26, 1104684), (28, 1025778), (39, 736456), (42, 683852), (52, 552342), (56, 512889), (78, 368228), (84, 341926), (91, 315624), (104, 276171), (156, 184114), (168, 170963), (182, 157812), (273, 105208), (312, 92057), (364, 78906), (546, 52604), (728, 39453), (1092, 26302), (2184, 13151)]