638007892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{2243}}^1$

素因数の和:2400

約数の個数: 48

約数和(自身を含む): 1221454080

約数和(自身を除く): 583446188

約数列:

[1, 2, 4, 17, 34, 47, 68, 89, 94, 178, 188, 356, 799, 1513, 1598, 2243, 3026, 3196, 4183, 4486, 6052, 8366, 8972, 16732, 38131, 71111, 76262, 105421, 142222, 152524, 199627, 210842, 284444, 399254, 421684, 798508, 1792157, 3393659, 3584314, 6787318, 7168628, 9382469, 13574636, 18764938, 37529876, 159501973, 319003946, 638007892]

約数ペア:

[(1, 638007892), (2, 319003946), (4, 159501973), (17, 37529876), (34, 18764938), (47, 13574636), (68, 9382469), (89, 7168628), (94, 6787318), (178, 3584314), (188, 3393659), (356, 1792157), (799, 798508), (1513, 421684), (1598, 399254), (2243, 284444), (3026, 210842), (3196, 199627), (4183, 152524), (4486, 142222), (6052, 105421), (8366, 76262), (8972, 71111), (16732, 38131)]