28391784

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^2\times {\mathrm{1231}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 73402560

約数和(自身を除く): 45010776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 961, 1231, 1922, 2462, 2883, 3693, 3844, 4924, 5766, 7386, 7688, 9848, 11532, 14772, 23064, 29544, 38161, 76322, 114483, 152644, 228966, 305288, 457932, 915864, 1182991, 2365982, 3548973, 4731964, 7097946, 9463928, 14195892, 28391784]

約数ペア:

[(1, 28391784), (2, 14195892), (3, 9463928), (4, 7097946), (6, 4731964), (8, 3548973), (12, 2365982), (24, 1182991), (31, 915864), (62, 457932), (93, 305288), (124, 228966), (186, 152644), (248, 114483), (372, 76322), (744, 38161), (961, 29544), (1231, 23064), (1922, 14772), (2462, 11532), (2883, 9848), (3693, 7688), (3844, 7386), (4924, 5766)]