2251388128

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{336631}}^1$

素因数の和:336671

約数の個数: 48

約数和(自身を含む): 5089875840

約数和(自身を除く): 2838487712

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3344, 6688, 336631, 673262, 1346524, 2693048, 3702941, 5386096, 6395989, 7405882, 10772192, 12791978, 14811764, 25583956, 29623528, 51167912, 59247056, 70355879, 102335824, 118494112, 140711758, 204671648, 281423516, 562847032, 1125694064, 2251388128]

約数ペア:

[(1, 2251388128), (2, 1125694064), (4, 562847032), (8, 281423516), (11, 204671648), (16, 140711758), (19, 118494112), (22, 102335824), (32, 70355879), (38, 59247056), (44, 51167912), (76, 29623528), (88, 25583956), (152, 14811764), (176, 12791978), (209, 10772192), (304, 7405882), (352, 6395989), (418, 5386096), (608, 3702941), (836, 2693048), (1672, 1346524), (3344, 673262), (6688, 336631)]