1378947458

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{40819}}^1$

素因数の和:40974

約数の個数: 32

約数和(自身を含む): 2507980800

約数和(自身を除く): 1129033342

約数列:

[1, 2, 7, 14, 19, 38, 127, 133, 254, 266, 889, 1778, 2413, 4826, 16891, 33782, 40819, 81638, 285733, 571466, 775561, 1551122, 5184013, 5428927, 10368026, 10857854, 36288091, 72576182, 98496247, 196992494, 689473729, 1378947458]

約数ペア:

[(1, 1378947458), (2, 689473729), (7, 196992494), (14, 98496247), (19, 72576182), (38, 36288091), (127, 10857854), (133, 10368026), (254, 5428927), (266, 5184013), (889, 1551122), (1778, 775561), (2413, 571466), (4826, 285733), (16891, 81638), (33782, 40819)]