28919748

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:937

約数の個数: 96

約数和(自身を含む): 83543040

約数和(自身を除く): 54623292

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 19, 22, 26, 33, 38, 39, 44, 52, 57, 66, 76, 78, 114, 132, 143, 156, 209, 228, 247, 286, 418, 429, 494, 572, 627, 741, 836, 858, 887, 988, 1254, 1482, 1716, 1774, 2508, 2661, 2717, 2964, 3548, 5322, 5434, 8151, 9757, 10644, 10868, 11531, 16302, 16853, 19514, 23062, 29271, 32604, 33706, 34593, 39028, 46124, 50559, 58542, 67412, 69186, 101118, 117084, 126841, 138372, 185383, 202236, 219089, 253682, 370766, 380523, 438178, 507364, 556149, 657267, 741532, 761046, 876356, 1112298, 1314534, 1522092, 2224596, 2409979, 2629068, 4819958, 7229937, 9639916, 14459874, 28919748]

約数ペア:

[(1, 28919748), (2, 14459874), (3, 9639916), (4, 7229937), (6, 4819958), (11, 2629068), (12, 2409979), (13, 2224596), (19, 1522092), (22, 1314534), (26, 1112298), (33, 876356), (38, 761046), (39, 741532), (44, 657267), (52, 556149), (57, 507364), (66, 438178), (76, 380523), (78, 370766), (114, 253682), (132, 219089), (143, 202236), (156, 185383), (209, 138372), (228, 126841), (247, 117084), (286, 101118), (418, 69186), (429, 67412), (494, 58542), (572, 50559), (627, 46124), (741, 39028), (836, 34593), (858, 33706), (887, 32604), (988, 29271), (1254, 23062), (1482, 19514), (1716, 16853), (1774, 16302), (2508, 11531), (2661, 10868), (2717, 10644), (2964, 9757), (3548, 8151), (5322, 5434)]