231385876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 436786560

約数和(自身を除く): 205400684

約数列:

[1, 2, 4, 19, 38, 71, 76, 137, 142, 274, 284, 313, 548, 626, 1252, 1349, 2603, 2698, 5206, 5396, 5947, 9727, 10412, 11894, 19454, 22223, 23788, 38908, 42881, 44446, 85762, 88892, 171524, 184813, 369626, 422237, 739252, 814739, 844474, 1629478, 1688948, 3044551, 3258956, 6089102, 12178204, 57846469, 115692938, 231385876]

約数ペア:

[(1, 231385876), (2, 115692938), (4, 57846469), (19, 12178204), (38, 6089102), (71, 3258956), (76, 3044551), (137, 1688948), (142, 1629478), (274, 844474), (284, 814739), (313, 739252), (548, 422237), (626, 369626), (1252, 184813), (1349, 171524), (2603, 88892), (2698, 85762), (5206, 44446), (5396, 42881), (5947, 38908), (9727, 23788), (10412, 22223), (11894, 19454)]