28409088

素因数分解:

$2^8\times 3^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 76821696

約数和(自身を除く): 48412608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 213, 256, 284, 384, 426, 521, 568, 768, 852, 1042, 1136, 1563, 1704, 2084, 2272, 3126, 3408, 4168, 4544, 6252, 6816, 8336, 9088, 12504, 13632, 16672, 18176, 25008, 27264, 33344, 36991, 50016, 54528, 66688, 73982, 100032, 110973, 133376, 147964, 200064, 221946, 295928, 400128, 443892, 591856, 887784, 1183712, 1775568, 2367424, 3551136, 4734848, 7102272, 9469696, 14204544, 28409088]

約数ペア:

[(1, 28409088), (2, 14204544), (3, 9469696), (4, 7102272), (6, 4734848), (8, 3551136), (12, 2367424), (16, 1775568), (24, 1183712), (32, 887784), (48, 591856), (64, 443892), (71, 400128), (96, 295928), (128, 221946), (142, 200064), (192, 147964), (213, 133376), (256, 110973), (284, 100032), (384, 73982), (426, 66688), (521, 54528), (568, 50016), (768, 36991), (852, 33344), (1042, 27264), (1136, 25008), (1563, 18176), (1704, 16672), (2084, 13632), (2272, 12504), (3126, 9088), (3408, 8336), (4168, 6816), (4544, 6252)]