381128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 803520

約数和(自身を除く): 422392

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 71, 88, 122, 142, 244, 284, 488, 568, 671, 781, 1342, 1562, 2684, 3124, 4331, 5368, 6248, 8662, 17324, 34648, 47641, 95282, 190564, 381128]

約数ペア:

[(1, 381128), (2, 190564), (4, 95282), (8, 47641), (11, 34648), (22, 17324), (44, 8662), (61, 6248), (71, 5368), (88, 4331), (122, 3124), (142, 2684), (244, 1562), (284, 1342), (488, 781), (568, 671)]