28012436

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 53606784

約数和(自身を除く): 25594348

約数列:

[1, 2, 4, 23, 43, 46, 73, 86, 92, 97, 146, 172, 194, 292, 388, 989, 1679, 1978, 2231, 3139, 3358, 3956, 4171, 4462, 6278, 6716, 7081, 8342, 8924, 12556, 14162, 16684, 28324, 72197, 95933, 144394, 162863, 191866, 288788, 304483, 325726, 383732, 608966, 651452, 1217932, 7003109, 14006218, 28012436]

約数ペア:

[(1, 28012436), (2, 14006218), (4, 7003109), (23, 1217932), (43, 651452), (46, 608966), (73, 383732), (86, 325726), (92, 304483), (97, 288788), (146, 191866), (172, 162863), (194, 144394), (292, 95933), (388, 72197), (989, 28324), (1679, 16684), (1978, 14162), (2231, 12556), (3139, 8924), (3358, 8342), (3956, 7081), (4171, 6716), (4462, 6278)]