28531408

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 61996032

約数和(自身を除く): 33464624

約数列:

[1, 2, 4, 8, 16, 23, 31, 41, 46, 61, 62, 82, 92, 122, 124, 164, 184, 244, 248, 328, 368, 488, 496, 656, 713, 943, 976, 1271, 1403, 1426, 1886, 1891, 2501, 2542, 2806, 2852, 3772, 3782, 5002, 5084, 5612, 5704, 7544, 7564, 10004, 10168, 11224, 11408, 15088, 15128, 20008, 20336, 22448, 29233, 30256, 40016, 43493, 57523, 58466, 77531, 86986, 115046, 116932, 155062, 173972, 230092, 233864, 310124, 347944, 460184, 467728, 620248, 695888, 920368, 1240496, 1783213, 3566426, 7132852, 14265704, 28531408]

約数ペア:

[(1, 28531408), (2, 14265704), (4, 7132852), (8, 3566426), (16, 1783213), (23, 1240496), (31, 920368), (41, 695888), (46, 620248), (61, 467728), (62, 460184), (82, 347944), (92, 310124), (122, 233864), (124, 230092), (164, 173972), (184, 155062), (244, 116932), (248, 115046), (328, 86986), (368, 77531), (488, 58466), (496, 57523), (656, 43493), (713, 40016), (943, 30256), (976, 29233), (1271, 22448), (1403, 20336), (1426, 20008), (1886, 15128), (1891, 15088), (2501, 11408), (2542, 11224), (2806, 10168), (2852, 10004), (3772, 7564), (3782, 7544), (5002, 5704), (5084, 5612)]